157400780

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{8677}}^1$

素因数の和:9593

約数の個数: 24

約数和(自身を含む): 330944208

約数和(自身を除く): 173543428

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 8677, 9070, 17354, 18140, 34708, 43385, 86770, 173540, 7870039, 15740078, 31480156, 39350195, 78700390, 157400780]

約数ペア:

[(1, 157400780), (2, 78700390), (4, 39350195), (5, 31480156), (10, 15740078), (20, 7870039), (907, 173540), (1814, 86770), (3628, 43385), (4535, 34708), (8677, 18140), (9070, 17354)]