311042660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 667842672

約数和(自身を除く): 356800012

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 193, 244, 305, 386, 610, 772, 965, 1220, 1321, 1930, 2642, 3860, 5284, 6605, 11773, 13210, 23546, 26420, 47092, 58865, 80581, 117730, 161162, 235460, 254953, 322324, 402905, 509906, 805810, 1019812, 1274765, 1611620, 2549530, 5099060, 15552133, 31104266, 62208532, 77760665, 155521330, 311042660]

約数ペア:

[(1, 311042660), (2, 155521330), (4, 77760665), (5, 62208532), (10, 31104266), (20, 15552133), (61, 5099060), (122, 2549530), (193, 1611620), (244, 1274765), (305, 1019812), (386, 805810), (610, 509906), (772, 402905), (965, 322324), (1220, 254953), (1321, 235460), (1930, 161162), (2642, 117730), (3860, 80581), (5284, 58865), (6605, 47092), (11773, 26420), (13210, 23546)]