90901160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324647}}^1$

素因数の和:324665

約数の個数: 32

約数和(自身を含む): 233746560

約数和(自身を除く): 142845400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324647, 649294, 1298588, 1623235, 2272529, 2597176, 3246470, 4545058, 6492940, 9090116, 11362645, 12985880, 18180232, 22725290, 45450580, 90901160]

約数ペア:

[(1, 90901160), (2, 45450580), (4, 22725290), (5, 18180232), (7, 12985880), (8, 11362645), (10, 9090116), (14, 6492940), (20, 4545058), (28, 3246470), (35, 2597176), (40, 2272529), (56, 1623235), (70, 1298588), (140, 649294), (280, 324647)]