248642940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 897232896

約数和(自身を除く): 648589956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 113, 124, 130, 140, 155, 156, 169, 182, 186, 195, 210, 217, 226, 260, 273, 310, 338, 339, 364, 372, 390, 403, 420, 434, 452, 455, 465, 507, 546, 565, 620, 651, 676, 678, 780, 791, 806, 845, 868, 910, 930, 1014, 1085, 1092, 1130, 1183, 1209, 1302, 1356, 1365, 1469, 1582, 1612, 1690, 1695, 1820, 1860, 2015, 2028, 2170, 2260, 2366, 2373, 2418, 2535, 2604, 2730, 2821, 2938, 3164, 3255, 3380, 3390, 3503, 3549, 3955, 4030, 4340, 4407, 4732, 4746, 4836, 5070, 5239, 5460, 5642, 5876, 5915, 6045, 6510, 6780, 7006, 7098, 7345, 7910, 8060, 8463, 8814, 9492, 10140, 10283, 10478, 10509, 11284, 11830, 11865, 12090, 13020, 14012, 14105, 14196, 14690, 15717, 15820, 16926, 17515, 17628, 17745, 19097, 20566, 20956, 21018, 22035, 23660, 23730, 24180, 24521, 26195, 28210, 29380, 30849, 31434, 33852, 35030, 35490, 36673, 38194, 41132, 42036, 42315, 44070, 45539, 47460, 49042, 51415, 52390, 52545, 56420, 57291, 61698, 62868, 70060, 70980, 73346, 73563, 76388, 78585, 84630, 88140, 91078, 95485, 98084, 102830, 104780, 105090, 110019, 114582, 122605, 123396, 133679, 136617, 146692, 147126, 154245, 157170, 169260, 182156, 183365, 190970, 205660, 210180, 220038, 227695, 229164, 245210, 267358, 273234, 286455, 294252, 308490, 314340, 318773, 366730, 367815, 381940, 401037, 440076, 455390, 490420, 534716, 546468, 550095, 572910, 592007, 616980, 637546, 668395, 683085, 733460, 735630, 802074, 910780, 956319, 1100190, 1145820, 1184014, 1275092, 1336790, 1366170, 1471260, 1593865, 1604148, 1776021, 1912638, 2005185, 2200380, 2368028, 2673580, 2732340, 2960035, 3187730, 3552042, 3825276, 4010370, 4144049, 4781595, 5920070, 6375460, 7104084, 8020740, 8288098, 8880105, 9563190, 11840140, 12432147, 16576196, 17760210, 19126380, 20720245, 24864294, 35520420, 41440490, 49728588, 62160735, 82880980, 124321470, 248642940]

約数ペア:

[(1, 248642940), (2, 124321470), (3, 82880980), (4, 62160735), (5, 49728588), (6, 41440490), (7, 35520420), (10, 24864294), (12, 20720245), (13, 19126380), (14, 17760210), (15, 16576196), (20, 12432147), (21, 11840140), (26, 9563190), (28, 8880105), (30, 8288098), (31, 8020740), (35, 7104084), (39, 6375460), (42, 5920070), (52, 4781595), (60, 4144049), (62, 4010370), (65, 3825276), (70, 3552042), (78, 3187730), (84, 2960035), (91, 2732340), (93, 2673580), (105, 2368028), (113, 2200380), (124, 2005185), (130, 1912638), (140, 1776021), (155, 1604148), (156, 1593865), (169, 1471260), (182, 1366170), (186, 1336790), (195, 1275092), (210, 1184014), (217, 1145820), (226, 1100190), (260, 956319), (273, 910780), (310, 802074), (338, 735630), (339, 733460), (364, 683085), (372, 668395), (390, 637546), (403, 616980), (420, 592007), (434, 572910), (452, 550095), (455, 546468), (465, 534716), (507, 490420), (546, 455390), (565, 440076), (620, 401037), (651, 381940), (676, 367815), (678, 366730), (780, 318773), (791, 314340), (806, 308490), (845, 294252), (868, 286455), (910, 273234), (930, 267358), (1014, 245210), (1085, 229164), (1092, 227695), (1130, 220038), (1183, 210180), (1209, 205660), (1302, 190970), (1356, 183365), (1365, 182156), (1469, 169260), (1582, 157170), (1612, 154245), (1690, 147126), (1695, 146692), (1820, 136617), (1860, 133679), (2015, 123396), (2028, 122605), (2170, 114582), (2260, 110019), (2366, 105090), (2373, 104780), (2418, 102830), (2535, 98084), (2604, 95485), (2730, 91078), (2821, 88140), (2938, 84630), (3164, 78585), (3255, 76388), (3380, 73563), (3390, 73346), (3503, 70980), (3549, 70060), (3955, 62868), (4030, 61698), (4340, 57291), (4407, 56420), (4732, 52545), (4746, 52390), (4836, 51415), (5070, 49042), (5239, 47460), (5460, 45539), (5642, 44070), (5876, 42315), (5915, 42036), (6045, 41132), (6510, 38194), (6780, 36673), (7006, 35490), (7098, 35030), (7345, 33852), (7910, 31434), (8060, 30849), (8463, 29380), (8814, 28210), (9492, 26195), (10140, 24521), (10283, 24180), (10478, 23730), (10509, 23660), (11284, 22035), (11830, 21018), (11865, 20956), (12090, 20566), (13020, 19097), (14012, 17745), (14105, 17628), (14196, 17515), (14690, 16926), (15717, 15820)]