159724900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{11491}}^1$

素因数の和:11644

約数の個数: 36

約数和(自身を含む): 349126960

約数和(自身を除く): 189402060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 11491, 13900, 22982, 45964, 57455, 114910, 229820, 287275, 574550, 1149100, 1597249, 3194498, 6388996, 7986245, 15972490, 31944980, 39931225, 79862450, 159724900]

約数ペア:

[(1, 159724900), (2, 79862450), (4, 39931225), (5, 31944980), (10, 15972490), (20, 7986245), (25, 6388996), (50, 3194498), (100, 1597249), (139, 1149100), (278, 574550), (556, 287275), (695, 229820), (1390, 114910), (2780, 57455), (3475, 45964), (6950, 22982), (11491, 13900)]