221365280

素因数分解:

$2^5\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2423}}^1$

素因数の和:3009

約数の個数: 48

約数和(自身を含む): 524107584

約数和(自身を除く): 302742304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 571, 1142, 2284, 2423, 2855, 4568, 4846, 5710, 9136, 9692, 11420, 12115, 18272, 19384, 22840, 24230, 38768, 45680, 48460, 77536, 91360, 96920, 193840, 387680, 1383533, 2767066, 5534132, 6917665, 11068264, 13835330, 22136528, 27670660, 44273056, 55341320, 110682640, 221365280]

約数ペア:

[(1, 221365280), (2, 110682640), (4, 55341320), (5, 44273056), (8, 27670660), (10, 22136528), (16, 13835330), (20, 11068264), (32, 6917665), (40, 5534132), (80, 2767066), (160, 1383533), (571, 387680), (1142, 193840), (2284, 96920), (2423, 91360), (2855, 77536), (4568, 48460), (4846, 45680), (5710, 38768), (9136, 24230), (9692, 22840), (11420, 19384), (12115, 18272)]