256493500900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1867}}^1$

素因数の和:2419

約数の個数: 288

約数和(自身を含む): 708964401152

約数和(自身を除く): 452470900252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 487, 620, 650, 700, 775, 806, 868, 910, 974, 1085, 1300, 1550, 1612, 1820, 1867, 1948, 2015, 2170, 2275, 2435, 2821, 3100, 3409, 3734, 4030, 4340, 4550, 4870, 5425, 5642, 6331, 6818, 7468, 8060, 9100, 9335, 9740, 10075, 10850, 11284, 12175, 12662, 13069, 13636, 14105, 15097, 17045, 18670, 20150, 21700, 24271, 24350, 25324, 26138, 28210, 30194, 31655, 34090, 37340, 40300, 44317, 46675, 48542, 48700, 52276, 56420, 57877, 60388, 63310, 65345, 68180, 70525, 75485, 85225, 88634, 93350, 97084, 105679, 115754, 121355, 126620, 130690, 141050, 150970, 158275, 169897, 170450, 177268, 186700, 196261, 211358, 221585, 231508, 242710, 261380, 282100, 289385, 301940, 316550, 326725, 339794, 340900, 377425, 392522, 405139, 422716, 443170, 485420, 528395, 578770, 606775, 633100, 653450, 679588, 752401, 754850, 785044, 810278, 849485, 886340, 909229, 981305, 1056790, 1107925, 1157540, 1213550, 1306900, 1373827, 1446925, 1504802, 1509700, 1620556, 1698970, 1818458, 1962610, 2025695, 2113580, 2215850, 2427100, 2641975, 2747654, 2893850, 3009604, 3397940, 3636916, 3762005, 3925220, 4051390, 4247425, 4431700, 4546145, 4906525, 5266807, 5283950, 5495308, 5787700, 6364603, 6869135, 7524010, 8102780, 8494850, 9092290, 9813050, 10128475, 10533614, 10567900, 11819977, 12729206, 13738270, 15048020, 16989700, 18184580, 18810025, 19626100, 20256950, 21067228, 22730725, 23639954, 25458412, 26334035, 27476540, 28186099, 31823015, 34345675, 37620050, 40513900, 45461450, 47279908, 52668070, 56372198, 59099885, 63646030, 68691350, 75240100, 82739839, 90922900, 105336140, 112744396, 118199770, 127292060, 131670175, 137382700, 140930495, 159115075, 165479678, 197302693, 236399540, 263340350, 281860990, 295499425, 318230150, 330959356, 366419287, 394605386, 413699195, 526680700, 563721980, 590998850, 636460300, 704652475, 732838574, 789210772, 827398390, 986513465, 1181997700, 1409304950, 1465677148, 1654796780, 1832096435, 1973026930, 2068495975, 2564935009, 2818609900, 3664192870, 3946053860, 4136991950, 4932567325, 5129870018, 7328385740, 8273983900, 9160482175, 9865134650, 10259740036, 12824675045, 18320964350, 19730269300, 25649350090, 36641928700, 51298700180, 64123375225, 128246750450, 256493500900]

約数ペア:

[(1, 256493500900), (2, 128246750450), (4, 64123375225), (5, 51298700180), (7, 36641928700), (10, 25649350090), (13, 19730269300), (14, 18320964350), (20, 12824675045), (25, 10259740036), (26, 9865134650), (28, 9160482175), (31, 8273983900), (35, 7328385740), (50, 5129870018), (52, 4932567325), (62, 4136991950), (65, 3946053860), (70, 3664192870), (91, 2818609900), (100, 2564935009), (124, 2068495975), (130, 1973026930), (140, 1832096435), (155, 1654796780), (175, 1465677148), (182, 1409304950), (217, 1181997700), (260, 986513465), (310, 827398390), (325, 789210772), (350, 732838574), (364, 704652475), (403, 636460300), (434, 590998850), (455, 563721980), (487, 526680700), (620, 413699195), (650, 394605386), (700, 366419287), (775, 330959356), (806, 318230150), (868, 295499425), (910, 281860990), (974, 263340350), (1085, 236399540), (1300, 197302693), (1550, 165479678), (1612, 159115075), (1820, 140930495), (1867, 137382700), (1948, 131670175), (2015, 127292060), (2170, 118199770), (2275, 112744396), (2435, 105336140), (2821, 90922900), (3100, 82739839), (3409, 75240100), (3734, 68691350), (4030, 63646030), (4340, 59099885), (4550, 56372198), (4870, 52668070), (5425, 47279908), (5642, 45461450), (6331, 40513900), (6818, 37620050), (7468, 34345675), (8060, 31823015), (9100, 28186099), (9335, 27476540), (9740, 26334035), (10075, 25458412), (10850, 23639954), (11284, 22730725), (12175, 21067228), (12662, 20256950), (13069, 19626100), (13636, 18810025), (14105, 18184580), (15097, 16989700), (17045, 15048020), (18670, 13738270), (20150, 12729206), (21700, 11819977), (24271, 10567900), (24350, 10533614), (25324, 10128475), (26138, 9813050), (28210, 9092290), (30194, 8494850), (31655, 8102780), (34090, 7524010), (37340, 6869135), (40300, 6364603), (44317, 5787700), (46675, 5495308), (48542, 5283950), (48700, 5266807), (52276, 4906525), (56420, 4546145), (57877, 4431700), (60388, 4247425), (63310, 4051390), (65345, 3925220), (68180, 3762005), (70525, 3636916), (75485, 3397940), (85225, 3009604), (88634, 2893850), (93350, 2747654), (97084, 2641975), (105679, 2427100), (115754, 2215850), (121355, 2113580), (126620, 2025695), (130690, 1962610), (141050, 1818458), (150970, 1698970), (158275, 1620556), (169897, 1509700), (170450, 1504802), (177268, 1446925), (186700, 1373827), (196261, 1306900), (211358, 1213550), (221585, 1157540), (231508, 1107925), (242710, 1056790), (261380, 981305), (282100, 909229), (289385, 886340), (301940, 849485), (316550, 810278), (326725, 785044), (339794, 754850), (340900, 752401), (377425, 679588), (392522, 653450), (405139, 633100), (422716, 606775), (443170, 578770), (485420, 528395)]