320292980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2287807}}^1$

素因数の和:2287823

約数の個数: 24

約数和(自身を含む): 768703488

約数和(自身を除く): 448410508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2287807, 4575614, 9151228, 11439035, 16014649, 22878070, 32029298, 45756140, 64058596, 80073245, 160146490, 320292980]

約数ペア:

[(1, 320292980), (2, 160146490), (4, 80073245), (5, 64058596), (7, 45756140), (10, 32029298), (14, 22878070), (20, 16014649), (28, 11439035), (35, 9151228), (70, 4575614), (140, 2287807)]