30856475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 43653456

約数和(自身を除く): 12796981

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 263, 325, 361, 475, 1235, 1315, 1805, 3419, 4693, 4997, 6175, 6575, 9025, 17095, 23465, 24985, 64961, 85475, 94943, 117325, 124925, 324805, 474715, 1234259, 1624025, 2373575, 6171295, 30856475]

約数ペア:

[(1, 30856475), (5, 6171295), (13, 2373575), (19, 1624025), (25, 1234259), (65, 474715), (95, 324805), (247, 124925), (263, 117325), (325, 94943), (361, 85475), (475, 64961), (1235, 24985), (1315, 23465), (1805, 17095), (3419, 9025), (4693, 6575), (4997, 6175)]