201427480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117109}}^1$

素因数の和:117163

約数の個数: 32

約数和(自身を含む): 463755600

約数和(自身を除く): 262328120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117109, 234218, 468436, 585545, 936872, 1171090, 2342180, 4684360, 5035687, 10071374, 20142748, 25178435, 40285496, 50356870, 100713740, 201427480]

約数ペア:

[(1, 201427480), (2, 100713740), (4, 50356870), (5, 40285496), (8, 25178435), (10, 20142748), (20, 10071374), (40, 5035687), (43, 4684360), (86, 2342180), (172, 1171090), (215, 936872), (344, 585545), (430, 468436), (860, 234218), (1720, 117109)]