2901888980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3538889}}^1$

素因数の和:3538939

約数の個数: 24

約数和(自身を含む): 6242601960

約数和(自身を除く): 3340712980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3538889, 7077778, 14155556, 17694445, 35388890, 70777780, 145094449, 290188898, 580377796, 725472245, 1450944490, 2901888980]

約数ペア:

[(1, 2901888980), (2, 1450944490), (4, 725472245), (5, 580377796), (10, 290188898), (20, 145094449), (41, 70777780), (82, 35388890), (164, 17694445), (205, 14155556), (410, 7077778), (820, 3538889)]