201722425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 278982144

約数和(自身を除く): 77259719

約数列:

[1, 5, 17, 25, 31, 61, 85, 155, 251, 305, 425, 527, 775, 1037, 1255, 1525, 1891, 2635, 4267, 5185, 6275, 7781, 9455, 13175, 15311, 21335, 25925, 32147, 38905, 47275, 76555, 106675, 132277, 160735, 194525, 260287, 382775, 474641, 661385, 803675, 1301435, 2373205, 3306925, 6507175, 8068897, 11866025, 40344485, 201722425]

約数ペア:

[(1, 201722425), (5, 40344485), (17, 11866025), (25, 8068897), (31, 6507175), (61, 3306925), (85, 2373205), (155, 1301435), (251, 803675), (305, 661385), (425, 474641), (527, 382775), (775, 260287), (1037, 194525), (1255, 160735), (1525, 132277), (1891, 106675), (2635, 76555), (4267, 47275), (5185, 38905), (6275, 32147), (7781, 25925), (9455, 21335), (13175, 15311)]