207966785050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{20399}}^1$

素因数の和:20608

約数の個数: 96

約数和(自身を含む): 409795200000

約数和(自身を除く): 201828414950

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 89, 145, 158, 178, 290, 395, 445, 725, 790, 890, 1450, 1975, 2225, 2291, 2581, 3950, 4450, 4582, 5162, 7031, 11455, 12905, 14062, 20399, 22910, 25810, 35155, 40798, 57275, 64525, 70310, 101995, 114550, 129050, 175775, 203899, 203990, 351550, 407798, 509975, 591571, 1019495, 1019950, 1183142, 1611521, 1815511, 2038990, 2957855, 3223042, 3631022, 5097475, 5915710, 8057605, 9077555, 10194950, 14789275, 16115210, 18155110, 29578550, 40288025, 45387775, 46734109, 52649819, 80576050, 90775550, 93468218, 105299638, 143425369, 233670545, 263249095, 286850738, 467341090, 526498190, 717126845, 1168352725, 1316245475, 1434253690, 2336705450, 2632490950, 3585634225, 4159335701, 7171268450, 8318671402, 20796678505, 41593357010, 103983392525, 207966785050]

約数ペア:

[(1, 207966785050), (2, 103983392525), (5, 41593357010), (10, 20796678505), (25, 8318671402), (29, 7171268450), (50, 4159335701), (58, 3585634225), (79, 2632490950), (89, 2336705450), (145, 1434253690), (158, 1316245475), (178, 1168352725), (290, 717126845), (395, 526498190), (445, 467341090), (725, 286850738), (790, 263249095), (890, 233670545), (1450, 143425369), (1975, 105299638), (2225, 93468218), (2291, 90775550), (2581, 80576050), (3950, 52649819), (4450, 46734109), (4582, 45387775), (5162, 40288025), (7031, 29578550), (11455, 18155110), (12905, 16115210), (14062, 14789275), (20399, 10194950), (22910, 9077555), (25810, 8057605), (35155, 5915710), (40798, 5097475), (57275, 3631022), (64525, 3223042), (70310, 2957855), (101995, 2038990), (114550, 1815511), (129050, 1611521), (175775, 1183142), (203899, 1019950), (203990, 1019495), (351550, 591571), (407798, 509975)]