20719953800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1725

約数の個数: 288

約数和(自身を含む): 60974222400

約数和(自身を除く): 40254268600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 103, 104, 130, 140, 175, 182, 196, 200, 206, 245, 260, 280, 325, 350, 364, 392, 412, 455, 490, 515, 520, 637, 650, 700, 721, 728, 824, 910, 980, 1030, 1225, 1274, 1300, 1339, 1400, 1442, 1579, 1820, 1960, 2060, 2275, 2450, 2548, 2575, 2600, 2678, 2884, 3158, 3185, 3605, 3640, 4120, 4550, 4900, 5047, 5096, 5150, 5356, 5768, 6316, 6370, 6695, 7210, 7895, 9100, 9373, 9800, 10094, 10300, 10712, 11053, 12632, 12740, 13390, 14420, 15790, 15925, 18025, 18200, 18746, 20188, 20527, 20600, 22106, 25235, 25480, 26780, 28840, 31580, 31850, 33475, 36050, 37492, 39475, 40376, 41054, 44212, 46865, 50470, 53560, 55265, 63160, 63700, 65611, 66950, 72100, 74984, 77371, 78950, 82108, 88424, 93730, 100940, 102635, 110530, 126175, 127400, 131222, 133900, 143689, 144200, 154742, 157900, 162637, 164216, 187460, 201880, 205270, 221060, 234325, 252350, 262444, 267800, 276325, 287378, 309484, 315800, 325274, 328055, 374920, 386855, 410540, 442120, 468650, 504700, 513175, 524888, 552650, 574756, 618968, 650548, 656110, 718445, 773710, 813185, 821080, 937300, 1005823, 1009400, 1026350, 1105300, 1138459, 1149512, 1301096, 1312220, 1436890, 1547420, 1626370, 1640275, 1874600, 1934275, 2011646, 2052700, 2114281, 2210600, 2276918, 2624440, 2873780, 3094840, 3252740, 3280550, 3592225, 3868550, 4023292, 4065925, 4105400, 4228562, 4553836, 5029115, 5692295, 5747560, 6505480, 6561100, 7184450, 7737100, 7969213, 8046584, 8131850, 8457124, 9107672, 10058230, 10571405, 11384590, 13122200, 14368900, 14799967, 15474200, 15938426, 16263700, 16914248, 20116460, 21142810, 22769180, 25145575, 28461475, 28737800, 29599934, 31876852, 32527400, 39846065, 40232920, 42285620, 45538360, 50291150, 52857025, 56922950, 59199868, 63753704, 73999835, 79692130, 84571240, 100582300, 103599769, 105714050, 113845900, 118399736, 147999670, 159384260, 199230325, 201164600, 207199538, 211428100, 227691800, 295999340, 318768520, 369999175, 398460650, 414399076, 422856200, 517998845, 591998680, 739998350, 796921300, 828798152, 1035997690, 1479996700, 1593842600, 2071995380, 2589994225, 2959993400, 4143990760, 5179988450, 10359976900, 20719953800]

約数ペア:

[(1, 20719953800), (2, 10359976900), (4, 5179988450), (5, 4143990760), (7, 2959993400), (8, 2589994225), (10, 2071995380), (13, 1593842600), (14, 1479996700), (20, 1035997690), (25, 828798152), (26, 796921300), (28, 739998350), (35, 591998680), (40, 517998845), (49, 422856200), (50, 414399076), (52, 398460650), (56, 369999175), (65, 318768520), (70, 295999340), (91, 227691800), (98, 211428100), (100, 207199538), (103, 201164600), (104, 199230325), (130, 159384260), (140, 147999670), (175, 118399736), (182, 113845900), (196, 105714050), (200, 103599769), (206, 100582300), (245, 84571240), (260, 79692130), (280, 73999835), (325, 63753704), (350, 59199868), (364, 56922950), (392, 52857025), (412, 50291150), (455, 45538360), (490, 42285620), (515, 40232920), (520, 39846065), (637, 32527400), (650, 31876852), (700, 29599934), (721, 28737800), (728, 28461475), (824, 25145575), (910, 22769180), (980, 21142810), (1030, 20116460), (1225, 16914248), (1274, 16263700), (1300, 15938426), (1339, 15474200), (1400, 14799967), (1442, 14368900), (1579, 13122200), (1820, 11384590), (1960, 10571405), (2060, 10058230), (2275, 9107672), (2450, 8457124), (2548, 8131850), (2575, 8046584), (2600, 7969213), (2678, 7737100), (2884, 7184450), (3158, 6561100), (3185, 6505480), (3605, 5747560), (3640, 5692295), (4120, 5029115), (4550, 4553836), (4900, 4228562), (5047, 4105400), (5096, 4065925), (5150, 4023292), (5356, 3868550), (5768, 3592225), (6316, 3280550), (6370, 3252740), (6695, 3094840), (7210, 2873780), (7895, 2624440), (9100, 2276918), (9373, 2210600), (9800, 2114281), (10094, 2052700), (10300, 2011646), (10712, 1934275), (11053, 1874600), (12632, 1640275), (12740, 1626370), (13390, 1547420), (14420, 1436890), (15790, 1312220), (15925, 1301096), (18025, 1149512), (18200, 1138459), (18746, 1105300), (20188, 1026350), (20527, 1009400), (20600, 1005823), (22106, 937300), (25235, 821080), (25480, 813185), (26780, 773710), (28840, 718445), (31580, 656110), (31850, 650548), (33475, 618968), (36050, 574756), (37492, 552650), (39475, 524888), (40376, 513175), (41054, 504700), (44212, 468650), (46865, 442120), (50470, 410540), (53560, 386855), (55265, 374920), (63160, 328055), (63700, 325274), (65611, 315800), (66950, 309484), (72100, 287378), (74984, 276325), (77371, 267800), (78950, 262444), (82108, 252350), (88424, 234325), (93730, 221060), (100940, 205270), (102635, 201880), (110530, 187460), (126175, 164216), (127400, 162637), (131222, 157900), (133900, 154742), (143689, 144200)]