342475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 515840

約数和(自身を除く): 173365

約数列:

[1, 5, 7, 19, 25, 35, 95, 103, 133, 175, 475, 515, 665, 721, 1957, 2575, 3325, 3605, 9785, 13699, 18025, 48925, 68495, 342475]

約数ペア:

[(1, 342475), (5, 68495), (7, 48925), (19, 18025), (25, 13699), (35, 9785), (95, 3605), (103, 3325), (133, 2575), (175, 1957), (475, 721), (515, 665)]