290421160

素因数分解:

$2^3\times 5^1\times {\mathrm{7260529}}^1$

素因数の和:7260540

約数の個数: 16

約数和(自身を含む): 653447700

約数和(自身を除く): 363026540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7260529, 14521058, 29042116, 36302645, 58084232, 72605290, 145210580, 290421160]

約数ペア:

[(1, 290421160), (2, 145210580), (4, 72605290), (5, 58084232), (8, 36302645), (10, 29042116), (20, 14521058), (40, 7260529)]