30090025

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 42983360

約数和(自身を除く): 12893335

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 973, 1237, 3475, 4865, 6185, 8659, 24325, 30925, 43295, 171943, 216475, 859715, 1203601, 4298575, 6018005, 30090025]

約数ペア:

[(1, 30090025), (5, 6018005), (7, 4298575), (25, 1203601), (35, 859715), (139, 216475), (175, 171943), (695, 43295), (973, 30925), (1237, 24325), (3475, 8659), (4865, 6185)]