2010191900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{648449}}^1$

素因数の和:648494

約数の個数: 36

約数和(自身を含む): 4502836800

約数和(自身を除く): 2492644900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 648449, 1296898, 2593796, 3242245, 6484490, 12968980, 16211225, 20101919, 32422450, 40203838, 64844900, 80407676, 100509595, 201019190, 402038380, 502547975, 1005095950, 2010191900]

約数ペア:

[(1, 2010191900), (2, 1005095950), (4, 502547975), (5, 402038380), (10, 201019190), (20, 100509595), (25, 80407676), (31, 64844900), (50, 40203838), (62, 32422450), (100, 20101919), (124, 16211225), (155, 12968980), (310, 6484490), (620, 3242245), (775, 2593796), (1550, 1296898), (3100, 648449)]