204395500

素因数分解:

$2^2\times 5^3\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 447920928

約数和(自身を除く): 243525428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 421, 500, 842, 971, 1684, 1942, 2105, 3884, 4210, 4855, 8420, 9710, 10525, 19420, 21050, 24275, 42100, 48550, 52625, 97100, 105250, 121375, 210500, 242750, 408791, 485500, 817582, 1635164, 2043955, 4087910, 8175820, 10219775, 20439550, 40879100, 51098875, 102197750, 204395500]

約数ペア:

[(1, 204395500), (2, 102197750), (4, 51098875), (5, 40879100), (10, 20439550), (20, 10219775), (25, 8175820), (50, 4087910), (100, 2043955), (125, 1635164), (250, 817582), (421, 485500), (500, 408791), (842, 242750), (971, 210500), (1684, 121375), (1942, 105250), (2105, 97100), (3884, 52625), (4210, 48550), (4855, 42100), (8420, 24275), (9710, 21050), (10525, 19420)]