100745125

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 143881920

約数和(自身を除く): 43136795

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 169, 247, 251, 325, 475, 845, 1235, 1255, 1625, 2375, 3211, 3263, 4225, 4769, 6175, 6275, 16055, 16315, 21125, 23845, 30875, 31375, 42419, 61997, 80275, 81575, 119225, 212095, 309985, 401375, 407875, 596125, 805961, 1060475, 1549925, 4029805, 5302375, 7749625, 20149025, 100745125]

約数ペア:

[(1, 100745125), (5, 20149025), (13, 7749625), (19, 5302375), (25, 4029805), (65, 1549925), (95, 1060475), (125, 805961), (169, 596125), (247, 407875), (251, 401375), (325, 309985), (475, 212095), (845, 119225), (1235, 81575), (1255, 80275), (1625, 61997), (2375, 42419), (3211, 31375), (3263, 30875), (4225, 23845), (4769, 21125), (6175, 16315), (6275, 16055)]