216196720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{14149}}^1$

素因数の和:14353

約数の個数: 40

約数和(自身を含む): 505324800

約数和(自身を除く): 289128080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 14149, 15280, 28298, 56596, 70745, 113192, 141490, 226384, 282980, 565960, 1131920, 2702459, 5404918, 10809836, 13512295, 21619672, 27024590, 43239344, 54049180, 108098360, 216196720]

約数ペア:

[(1, 216196720), (2, 108098360), (4, 54049180), (5, 43239344), (8, 27024590), (10, 21619672), (16, 13512295), (20, 10809836), (40, 5404918), (80, 2702459), (191, 1131920), (382, 565960), (764, 282980), (955, 226384), (1528, 141490), (1910, 113192), (3056, 70745), (3820, 56596), (7640, 28298), (14149, 15280)]