312791860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{6911}}^1$

素因数の和:7024

約数の個数: 48

約数和(自身を含む): 687439872

約数和(自身を除く): 374648012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 6911, 9052, 11315, 13822, 22630, 27644, 34555, 45260, 69110, 138220, 214241, 428482, 504503, 856964, 1009006, 1071205, 2018012, 2142410, 2522515, 4284820, 5045030, 10090060, 15639593, 31279186, 62558372, 78197965, 156395930, 312791860]

約数ペア:

[(1, 312791860), (2, 156395930), (4, 78197965), (5, 62558372), (10, 31279186), (20, 15639593), (31, 10090060), (62, 5045030), (73, 4284820), (124, 2522515), (146, 2142410), (155, 2018012), (292, 1071205), (310, 1009006), (365, 856964), (620, 504503), (730, 428482), (1460, 214241), (2263, 138220), (4526, 69110), (6911, 45260), (9052, 34555), (11315, 27644), (13822, 22630)]