200017890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 575078400

約数和(自身を除く): 375060510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 90, 93, 115, 135, 138, 155, 186, 207, 230, 270, 279, 310, 345, 414, 465, 558, 621, 690, 713, 837, 930, 1035, 1039, 1242, 1395, 1426, 1674, 2070, 2078, 2139, 2790, 3105, 3117, 3565, 4185, 4278, 5195, 6210, 6234, 6417, 7130, 8370, 9351, 10390, 10695, 12834, 15585, 18702, 19251, 21390, 23897, 28053, 31170, 32085, 32209, 38502, 46755, 47794, 56106, 64170, 64418, 71691, 93510, 96255, 96627, 119485, 140265, 143382, 161045, 192510, 193254, 215073, 238970, 280530, 289881, 322090, 358455, 430146, 483135, 579762, 645219, 716910, 740807, 869643, 966270, 1075365, 1290438, 1449405, 1481614, 1739286, 2150730, 2222421, 2898810, 3226095, 3704035, 4348215, 4444842, 6452190, 6667263, 7408070, 8696430, 11112105, 13334526, 20001789, 22224210, 33336315, 40003578, 66672630, 100008945, 200017890]

約数ペア:

[(1, 200017890), (2, 100008945), (3, 66672630), (5, 40003578), (6, 33336315), (9, 22224210), (10, 20001789), (15, 13334526), (18, 11112105), (23, 8696430), (27, 7408070), (30, 6667263), (31, 6452190), (45, 4444842), (46, 4348215), (54, 3704035), (62, 3226095), (69, 2898810), (90, 2222421), (93, 2150730), (115, 1739286), (135, 1481614), (138, 1449405), (155, 1290438), (186, 1075365), (207, 966270), (230, 869643), (270, 740807), (279, 716910), (310, 645219), (345, 579762), (414, 483135), (465, 430146), (558, 358455), (621, 322090), (690, 289881), (713, 280530), (837, 238970), (930, 215073), (1035, 193254), (1039, 192510), (1242, 161045), (1395, 143382), (1426, 140265), (1674, 119485), (2070, 96627), (2078, 96255), (2139, 93510), (2790, 71691), (3105, 64418), (3117, 64170), (3565, 56106), (4185, 47794), (4278, 46755), (5195, 38502), (6210, 32209), (6234, 32085), (6417, 31170), (7130, 28053), (8370, 23897), (9351, 21390), (10390, 19251), (10695, 18702), (12834, 15585)]