51347380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1039}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 123701760

約数和(自身を除く): 72354380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1039, 1412, 1765, 2078, 2471, 3530, 4156, 4942, 5195, 7060, 7273, 9884, 10390, 12355, 14546, 20780, 24710, 29092, 36365, 49420, 72730, 145460, 366767, 733534, 1467068, 1833835, 2567369, 3667670, 5134738, 7335340, 10269476, 12836845, 25673690, 51347380]

約数ペア:

[(1, 51347380), (2, 25673690), (4, 12836845), (5, 10269476), (7, 7335340), (10, 5134738), (14, 3667670), (20, 2567369), (28, 1833835), (35, 1467068), (70, 733534), (140, 366767), (353, 145460), (706, 72730), (1039, 49420), (1412, 36365), (1765, 29092), (2078, 24710), (2471, 20780), (3530, 14546), (4156, 12355), (4942, 10390), (5195, 9884), (7060, 7273)]