89786860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1459}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 200884320

約数和(自身を除く): 111097460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1459, 1810, 2918, 3077, 3620, 5836, 6154, 7295, 12308, 14590, 15385, 24803, 29180, 30770, 49606, 61540, 99212, 124015, 248030, 264079, 496060, 528158, 1056316, 1320395, 2640790, 4489343, 5281580, 8978686, 17957372, 22446715, 44893430, 89786860]

約数ペア:

[(1, 89786860), (2, 44893430), (4, 22446715), (5, 17957372), (10, 8978686), (17, 5281580), (20, 4489343), (34, 2640790), (68, 1320395), (85, 1056316), (170, 528158), (181, 496060), (340, 264079), (362, 248030), (724, 124015), (905, 99212), (1459, 61540), (1810, 49606), (2918, 30770), (3077, 29180), (3620, 24803), (5836, 15385), (6154, 14590), (7295, 12308)]