20171505800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5308291}}^1$

素因数の和:5308326

約数の個数: 48

約数和(自身を含む): 49367115600

約数和(自身を除く): 29195609800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5308291, 10616582, 21233164, 26541455, 42466328, 53082910, 100857529, 106165820, 132707275, 201715058, 212331640, 265414550, 403430116, 504287645, 530829100, 806860232, 1008575290, 1061658200, 2017150580, 2521438225, 4034301160, 5042876450, 10085752900, 20171505800]

約数ペア:

[(1, 20171505800), (2, 10085752900), (4, 5042876450), (5, 4034301160), (8, 2521438225), (10, 2017150580), (19, 1061658200), (20, 1008575290), (25, 806860232), (38, 530829100), (40, 504287645), (50, 403430116), (76, 265414550), (95, 212331640), (100, 201715058), (152, 132707275), (190, 106165820), (200, 100857529), (380, 53082910), (475, 42466328), (760, 26541455), (950, 21233164), (1900, 10616582), (3800, 5308291)]