201620770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 405409536

約数和(自身を除く): 203788766

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 167, 185, 251, 334, 370, 481, 502, 835, 962, 1255, 1670, 2171, 2405, 2510, 3263, 4342, 4810, 6179, 6526, 9287, 10855, 12358, 16315, 18574, 21710, 30895, 32630, 41917, 46435, 61790, 80327, 83834, 92870, 120731, 160654, 209585, 241462, 401635, 419170, 544921, 603655, 803270, 1089842, 1207310, 1550929, 2724605, 3101858, 5449210, 7754645, 15509290, 20162077, 40324154, 100810385, 201620770]

約数ペア:

[(1, 201620770), (2, 100810385), (5, 40324154), (10, 20162077), (13, 15509290), (26, 7754645), (37, 5449210), (65, 3101858), (74, 2724605), (130, 1550929), (167, 1207310), (185, 1089842), (251, 803270), (334, 603655), (370, 544921), (481, 419170), (502, 401635), (835, 241462), (962, 209585), (1255, 160654), (1670, 120731), (2171, 92870), (2405, 83834), (2510, 80327), (3263, 61790), (4342, 46435), (4810, 41917), (6179, 32630), (6526, 30895), (9287, 21710), (10855, 18574), (12358, 16315)]