199337540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1597}}^1$

素因数の和:1764

約数の個数: 36

約数和(自身を含む): 424240236

約数和(自身を除く): 224902696

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1597, 3194, 6241, 6388, 7985, 12482, 15970, 24964, 31205, 31940, 62410, 124820, 126163, 252326, 504652, 630815, 1261630, 2523260, 9966877, 19933754, 39867508, 49834385, 99668770, 199337540]

約数ペア:

[(1, 199337540), (2, 99668770), (4, 49834385), (5, 39867508), (10, 19933754), (20, 9966877), (79, 2523260), (158, 1261630), (316, 630815), (395, 504652), (790, 252326), (1580, 126163), (1597, 124820), (3194, 62410), (6241, 31940), (6388, 31205), (7985, 24964), (12482, 15970)]