74757620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1021}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 179937408

約数和(自身を除く): 105179788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 1021, 1046, 2042, 2092, 2615, 3661, 4084, 5105, 5230, 7147, 7322, 10210, 10460, 14294, 14644, 18305, 20420, 28588, 35735, 36610, 71470, 73220, 142940, 533983, 1067966, 2135932, 2669915, 3737881, 5339830, 7475762, 10679660, 14951524, 18689405, 37378810, 74757620]

約数ペア:

[(1, 74757620), (2, 37378810), (4, 18689405), (5, 14951524), (7, 10679660), (10, 7475762), (14, 5339830), (20, 3737881), (28, 2669915), (35, 2135932), (70, 1067966), (140, 533983), (523, 142940), (1021, 73220), (1046, 71470), (2042, 36610), (2092, 35735), (2615, 28588), (3661, 20420), (4084, 18305), (5105, 14644), (5230, 14294), (7147, 10460), (7322, 10210)]