194627620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1997}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 447104448

約数和(自身を除く): 252476828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 886, 1772, 1997, 2215, 3994, 4430, 4873, 7988, 8860, 9746, 9985, 19492, 19970, 21967, 24365, 39940, 43934, 48730, 87868, 97460, 109835, 219670, 439340, 884671, 1769342, 3538684, 4423355, 8846710, 9731381, 17693420, 19462762, 38925524, 48656905, 97313810, 194627620]

約数ペア:

[(1, 194627620), (2, 97313810), (4, 48656905), (5, 38925524), (10, 19462762), (11, 17693420), (20, 9731381), (22, 8846710), (44, 4423355), (55, 3538684), (110, 1769342), (220, 884671), (443, 439340), (886, 219670), (1772, 109835), (1997, 97460), (2215, 87868), (3994, 48730), (4430, 43934), (4873, 39940), (7988, 24365), (8860, 21967), (9746, 19970), (9985, 19492)]