4990375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 6971328

約数和(自身を除く): 1980953

約数列:

[1, 5, 13, 25, 37, 65, 83, 125, 185, 325, 415, 481, 925, 1079, 1625, 2075, 2405, 3071, 4625, 5395, 10375, 12025, 15355, 26975, 39923, 60125, 76775, 134875, 199615, 383875, 998075, 4990375]

約数ペア:

[(1, 4990375), (5, 998075), (13, 383875), (25, 199615), (37, 134875), (65, 76775), (83, 60125), (125, 39923), (185, 26975), (325, 15355), (415, 12025), (481, 10375), (925, 5395), (1079, 4625), (1625, 3071), (2075, 2405)]