1390257025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{13687}}^1$

素因数の和:13953

約数の個数: 24

約数和(自身を含む): 1833096960

約数和(自身を除く): 442839935

約数列:

[1, 5, 17, 25, 85, 239, 425, 1195, 4063, 5975, 13687, 20315, 68435, 101575, 232679, 342175, 1163395, 3271193, 5816975, 16355965, 55610281, 81779825, 278051405, 1390257025]

約数ペア:

[(1, 1390257025), (5, 278051405), (17, 81779825), (25, 55610281), (85, 16355965), (239, 5816975), (425, 3271193), (1195, 1163395), (4063, 342175), (5975, 232679), (13687, 101575), (20315, 68435)]