2009403460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{722807}}^1$

素因数の和:722955

約数の個数: 24

約数和(自身を含む): 4250111040

約数和(自身を除く): 2240707580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 722807, 1445614, 2891228, 3614035, 7228070, 14456140, 100470173, 200940346, 401880692, 502350865, 1004701730, 2009403460]

約数ペア:

[(1, 2009403460), (2, 1004701730), (4, 502350865), (5, 401880692), (10, 200940346), (20, 100470173), (139, 14456140), (278, 7228070), (556, 3614035), (695, 2891228), (1390, 1445614), (2780, 722807)]