840703825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 1163147776

約数和(自身を除く): 322443951

約数列:

[1, 5, 13, 25, 37, 65, 151, 185, 325, 463, 481, 755, 925, 1963, 2315, 2405, 3775, 5587, 6019, 9815, 11575, 12025, 17131, 27935, 30095, 49075, 69913, 72631, 85655, 139675, 150475, 222703, 349565, 363155, 428275, 908869, 1113515, 1747825, 1815775, 2586781, 4544345, 5567575, 12933905, 22721725, 33628153, 64669525, 168140765, 840703825]

約数ペア:

[(1, 840703825), (5, 168140765), (13, 64669525), (25, 33628153), (37, 22721725), (65, 12933905), (151, 5567575), (185, 4544345), (325, 2586781), (463, 1815775), (481, 1747825), (755, 1113515), (925, 908869), (1963, 428275), (2315, 363155), (2405, 349565), (3775, 222703), (5587, 150475), (6019, 139675), (9815, 85655), (11575, 72631), (12025, 69913), (17131, 49075), (27935, 30095)]