218091680

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12739}}^1$

素因数の和:12861

約数の個数: 48

約数和(自身を含む): 520097760

約数和(自身を除く): 302006080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 8560, 12739, 17120, 25478, 50956, 63695, 101912, 127390, 203824, 254780, 407648, 509560, 1019120, 1363073, 2038240, 2726146, 5452292, 6815365, 10904584, 13630730, 21809168, 27261460, 43618336, 54522920, 109045840, 218091680]

約数ペア:

[(1, 218091680), (2, 109045840), (4, 54522920), (5, 43618336), (8, 27261460), (10, 21809168), (16, 13630730), (20, 10904584), (32, 6815365), (40, 5452292), (80, 2726146), (107, 2038240), (160, 1363073), (214, 1019120), (428, 509560), (535, 407648), (856, 254780), (1070, 203824), (1712, 127390), (2140, 101912), (3424, 63695), (4280, 50956), (8560, 25478), (12739, 17120)]