350393620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{1997}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 762628608

約数和(自身を除く): 412234988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 283, 310, 566, 620, 1132, 1415, 1997, 2830, 3994, 5660, 7988, 8773, 9985, 17546, 19970, 35092, 39940, 43865, 61907, 87730, 123814, 175460, 247628, 309535, 565151, 619070, 1130302, 1238140, 2260604, 2825755, 5651510, 11303020, 17519681, 35039362, 70078724, 87598405, 175196810, 350393620]

約数ペア:

[(1, 350393620), (2, 175196810), (4, 87598405), (5, 70078724), (10, 35039362), (20, 17519681), (31, 11303020), (62, 5651510), (124, 2825755), (155, 2260604), (283, 1238140), (310, 1130302), (566, 619070), (620, 565151), (1132, 309535), (1415, 247628), (1997, 175460), (2830, 123814), (3994, 87730), (5660, 61907), (7988, 43865), (8773, 39940), (9985, 35092), (17546, 19970)]