74615125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 110545344

約数和(自身を除く): 35930219

約数列:

[1, 5, 13, 17, 25, 37, 65, 73, 85, 125, 185, 221, 325, 365, 425, 481, 629, 925, 949, 1105, 1241, 1625, 1825, 2125, 2405, 2701, 3145, 4625, 4745, 5525, 6205, 8177, 9125, 12025, 13505, 15725, 16133, 23725, 27625, 31025, 35113, 40885, 45917, 60125, 67525, 78625, 80665, 118625, 155125, 175565, 204425, 229585, 337625, 403325, 596921, 877825, 1022125, 1147925, 2016625, 2984605, 4389125, 5739625, 14923025, 74615125]

約数ペア:

[(1, 74615125), (5, 14923025), (13, 5739625), (17, 4389125), (25, 2984605), (37, 2016625), (65, 1147925), (73, 1022125), (85, 877825), (125, 596921), (185, 403325), (221, 337625), (325, 229585), (365, 204425), (425, 175565), (481, 155125), (629, 118625), (925, 80665), (949, 78625), (1105, 67525), (1241, 60125), (1625, 45917), (1825, 40885), (2125, 35113), (2405, 31025), (2701, 27625), (3145, 23725), (4625, 16133), (4745, 15725), (5525, 13505), (6205, 12025), (8177, 9125)]