408033020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{877}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 879418848

約数和(自身を除く): 471385828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 541, 860, 877, 1082, 1754, 2164, 2705, 3508, 4385, 5410, 8770, 10820, 17540, 23263, 37711, 46526, 75422, 93052, 116315, 150844, 188555, 232630, 377110, 465260, 474457, 754220, 948914, 1897828, 2372285, 4744570, 9489140, 20401651, 40803302, 81606604, 102008255, 204016510, 408033020]

約数ペア:

[(1, 408033020), (2, 204016510), (4, 102008255), (5, 81606604), (10, 40803302), (20, 20401651), (43, 9489140), (86, 4744570), (172, 2372285), (215, 1897828), (430, 948914), (541, 754220), (860, 474457), (877, 465260), (1082, 377110), (1754, 232630), (2164, 188555), (2705, 150844), (3508, 116315), (4385, 93052), (5410, 75422), (8770, 46526), (10820, 37711), (17540, 23263)]