557711140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{81299}}^1$

素因数の和:81329

約数の個数: 48

約数和(自身を含む): 1365840000

約数和(自身を除く): 808128860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 81299, 162598, 325196, 406495, 569093, 812990, 1138186, 1625980, 2276372, 2845465, 3983651, 5690930, 7967302, 11381860, 15934604, 19918255, 27885557, 39836510, 55771114, 79673020, 111542228, 139427785, 278855570, 557711140]

約数ペア:

[(1, 557711140), (2, 278855570), (4, 139427785), (5, 111542228), (7, 79673020), (10, 55771114), (14, 39836510), (20, 27885557), (28, 19918255), (35, 15934604), (49, 11381860), (70, 7967302), (98, 5690930), (140, 3983651), (196, 2845465), (245, 2276372), (343, 1625980), (490, 1138186), (686, 812990), (980, 569093), (1372, 406495), (1715, 325196), (3430, 162598), (6860, 81299)]