201972640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 496132560

約数和(自身を除く): 294159920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 109, 148, 160, 185, 218, 296, 313, 370, 436, 545, 592, 626, 740, 872, 1090, 1184, 1252, 1480, 1565, 1744, 2180, 2504, 2960, 3130, 3488, 4033, 4360, 5008, 5920, 6260, 8066, 8720, 10016, 11581, 12520, 16132, 17440, 20165, 23162, 25040, 32264, 34117, 40330, 46324, 50080, 57905, 64528, 68234, 80660, 92648, 115810, 129056, 136468, 161320, 170585, 185296, 231620, 272936, 322640, 341170, 370592, 463240, 545872, 645280, 682340, 926480, 1091744, 1262329, 1364680, 1852960, 2524658, 2729360, 5049316, 5458720, 6311645, 10098632, 12623290, 20197264, 25246580, 40394528, 50493160, 100986320, 201972640]

約数ペア:

[(1, 201972640), (2, 100986320), (4, 50493160), (5, 40394528), (8, 25246580), (10, 20197264), (16, 12623290), (20, 10098632), (32, 6311645), (37, 5458720), (40, 5049316), (74, 2729360), (80, 2524658), (109, 1852960), (148, 1364680), (160, 1262329), (185, 1091744), (218, 926480), (296, 682340), (313, 645280), (370, 545872), (436, 463240), (545, 370592), (592, 341170), (626, 322640), (740, 272936), (872, 231620), (1090, 185296), (1184, 170585), (1252, 161320), (1480, 136468), (1565, 129056), (1744, 115810), (2180, 92648), (2504, 80660), (2960, 68234), (3130, 64528), (3488, 57905), (4033, 50080), (4360, 46324), (5008, 40330), (5920, 34117), (6260, 32264), (8066, 25040), (8720, 23162), (10016, 20165), (11581, 17440), (12520, 16132)]