215687620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5023}}^1$

素因数の和:5164

約数の個数: 48

約数和(自身を含む): 481098240

約数和(自身を除く): 265410620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 5023, 8588, 10046, 10735, 20092, 21470, 25115, 42940, 50230, 95437, 100460, 190874, 381748, 477185, 567599, 954370, 1135198, 1908740, 2270396, 2837995, 5675990, 10784381, 11351980, 21568762, 43137524, 53921905, 107843810, 215687620]

約数ペア:

[(1, 215687620), (2, 107843810), (4, 53921905), (5, 43137524), (10, 21568762), (19, 11351980), (20, 10784381), (38, 5675990), (76, 2837995), (95, 2270396), (113, 1908740), (190, 1135198), (226, 954370), (380, 567599), (452, 477185), (565, 381748), (1130, 190874), (2147, 100460), (2260, 95437), (4294, 50230), (5023, 42940), (8588, 25115), (10046, 21470), (10735, 20092)]