521104780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3722177}}^1$

素因数の和:3722193

約数の個数: 24

約数和(自身を含む): 1250651808

約数和(自身を除く): 729547028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3722177, 7444354, 14888708, 18610885, 26055239, 37221770, 52110478, 74443540, 104220956, 130276195, 260552390, 521104780]

約数ペア:

[(1, 521104780), (2, 260552390), (4, 130276195), (5, 104220956), (7, 74443540), (10, 52110478), (14, 37221770), (20, 26055239), (28, 18610885), (35, 14888708), (70, 7444354), (140, 3722177)]