215681010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{7211}}^1$

素因数の和:8218

約数の個数: 32

約数和(自身を含む): 518225472

約数和(自身を除く): 302544462

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 997, 1994, 2991, 4985, 5982, 7211, 9970, 14422, 14955, 21633, 29910, 36055, 43266, 72110, 108165, 216330, 7189367, 14378734, 21568101, 35946835, 43136202, 71893670, 107840505, 215681010]

約数ペア:

[(1, 215681010), (2, 107840505), (3, 71893670), (5, 43136202), (6, 35946835), (10, 21568101), (15, 14378734), (30, 7189367), (997, 216330), (1994, 108165), (2991, 72110), (4985, 43266), (5982, 36055), (7211, 29910), (9970, 21633), (14422, 14955)]