140235875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 189833280

約数和(自身を除く): 49597405

約数列:

[1, 5, 13, 25, 65, 125, 211, 325, 409, 1055, 1625, 2045, 2743, 5275, 5317, 10225, 13715, 26375, 26585, 51125, 68575, 86299, 132925, 342875, 431495, 664625, 1121887, 2157475, 5609435, 10787375, 28047175, 140235875]

約数ペア:

[(1, 140235875), (5, 28047175), (13, 10787375), (25, 5609435), (65, 2157475), (125, 1121887), (211, 664625), (325, 431495), (409, 342875), (1055, 132925), (1625, 86299), (2045, 68575), (2743, 51125), (5275, 26585), (5317, 26375), (10225, 13715)]