49179620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3947}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 119387520

約数和(自身を除く): 70207900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 3947, 6230, 7894, 12460, 15788, 19735, 27629, 39470, 55258, 78940, 110516, 138145, 276290, 351283, 552580, 702566, 1405132, 1756415, 2458981, 3512830, 4917962, 7025660, 9835924, 12294905, 24589810, 49179620]

約数ペア:

[(1, 49179620), (2, 24589810), (4, 12294905), (5, 9835924), (7, 7025660), (10, 4917962), (14, 3512830), (20, 2458981), (28, 1756415), (35, 1405132), (70, 702566), (89, 552580), (140, 351283), (178, 276290), (356, 138145), (445, 110516), (623, 78940), (890, 55258), (1246, 39470), (1780, 27629), (2492, 19735), (3115, 15788), (3947, 12460), (6230, 7894)]