490786928

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1905

約数の個数: 40

約数和(自身を含む): 965414400

約数和(自身を除く): 474627472

約数列:

[1, 2, 4, 8, 16, 127, 149, 254, 298, 508, 596, 1016, 1192, 1621, 2032, 2384, 3242, 6484, 12968, 18923, 25936, 37846, 75692, 151384, 205867, 241529, 302768, 411734, 483058, 823468, 966116, 1646936, 1932232, 3293872, 3864464, 30674183, 61348366, 122696732, 245393464, 490786928]

約数ペア:

[(1, 490786928), (2, 245393464), (4, 122696732), (8, 61348366), (16, 30674183), (127, 3864464), (149, 3293872), (254, 1932232), (298, 1646936), (508, 966116), (596, 823468), (1016, 483058), (1192, 411734), (1621, 302768), (2032, 241529), (2384, 205867), (3242, 151384), (6484, 75692), (12968, 37846), (18923, 25936)]