7385640980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{887}}^1\times {\mathrm{911}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 15578390016

約数和(自身を除く): 8192749036

約数列:

[1, 2, 4, 5, 10, 20, 457, 887, 911, 914, 1774, 1822, 1828, 2285, 3548, 3644, 4435, 4555, 4570, 8870, 9110, 9140, 17740, 18220, 405359, 416327, 808057, 810718, 832654, 1616114, 1621436, 1665308, 2026795, 2081635, 3232228, 4040285, 4053590, 4163270, 8080570, 8107180, 8326540, 16161140, 369282049, 738564098, 1477128196, 1846410245, 3692820490, 7385640980]

約数ペア:

[(1, 7385640980), (2, 3692820490), (4, 1846410245), (5, 1477128196), (10, 738564098), (20, 369282049), (457, 16161140), (887, 8326540), (911, 8107180), (914, 8080570), (1774, 4163270), (1822, 4053590), (1828, 4040285), (2285, 3232228), (3548, 2081635), (3644, 2026795), (4435, 1665308), (4555, 1621436), (4570, 1616114), (8870, 832654), (9110, 810718), (9140, 808057), (17740, 416327), (18220, 405359)]