290129425

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 366030392

約数和(自身を除く): 75900967

約数列:

[1, 5, 25, 97, 181, 485, 661, 905, 2425, 3305, 4525, 16525, 17557, 64117, 87785, 119641, 320585, 438925, 598205, 1602925, 2991025, 11605177, 58025885, 290129425]

約数ペア:

[(1, 290129425), (5, 58025885), (25, 11605177), (97, 2991025), (181, 1602925), (485, 598205), (661, 438925), (905, 320585), (2425, 119641), (3305, 87785), (4525, 64117), (16525, 17557)]