2903900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 6405840

約数和(自身を除く): 3501940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 409, 710, 818, 1420, 1636, 1775, 2045, 3550, 4090, 7100, 8180, 10225, 20450, 29039, 40900, 58078, 116156, 145195, 290390, 580780, 725975, 1451950, 2903900]

約数ペア:

[(1, 2903900), (2, 1451950), (4, 725975), (5, 580780), (10, 290390), (20, 145195), (25, 116156), (50, 58078), (71, 40900), (100, 29039), (142, 20450), (284, 10225), (355, 8180), (409, 7100), (710, 4090), (818, 3550), (1420, 2045), (1636, 1775)]