1390304875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{271279}}^1$

素因数の和:271335

約数の個数: 16

約数和(自身を含む): 1777426560

約数和(自身を除く): 387121685

約数列:

[1, 5, 25, 41, 125, 205, 1025, 5125, 271279, 1356395, 6781975, 11122439, 33909875, 55612195, 278060975, 1390304875]

約数ペア:

[(1, 1390304875), (5, 278060975), (25, 55612195), (41, 33909875), (125, 11122439), (205, 6781975), (1025, 1356395), (5125, 271279)]