220151540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572511}}^1$

素因数の和:1572527

約数の個数: 24

約数和(自身を含む): 528364032

約数和(自身を除く): 308212492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572511, 3145022, 6290044, 7862555, 11007577, 15725110, 22015154, 31450220, 44030308, 55037885, 110075770, 220151540]

約数ペア:

[(1, 220151540), (2, 110075770), (4, 55037885), (5, 44030308), (7, 31450220), (10, 22015154), (14, 15725110), (20, 11007577), (28, 7862555), (35, 6290044), (70, 3145022), (140, 1572511)]