38147620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 91905408

約数和(自身を除く): 53757788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 523, 1042, 1046, 2084, 2092, 2605, 2615, 3647, 3661, 5210, 5230, 7294, 7322, 10420, 10460, 14588, 14644, 18235, 18305, 36470, 36610, 72940, 73220, 272483, 544966, 1089932, 1362415, 1907381, 2724830, 3814762, 5449660, 7629524, 9536905, 19073810, 38147620]

約数ペア:

[(1, 38147620), (2, 19073810), (4, 9536905), (5, 7629524), (7, 5449660), (10, 3814762), (14, 2724830), (20, 1907381), (28, 1362415), (35, 1089932), (70, 544966), (140, 272483), (521, 73220), (523, 72940), (1042, 36610), (1046, 36470), (2084, 18305), (2092, 18235), (2605, 14644), (2615, 14588), (3647, 10460), (3661, 10420), (5210, 7322), (5230, 7294)]