918156580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{7309}}^1$

素因数の和:7900

約数の個数: 48

約数和(自身を含む): 2107385280

約数和(自身を除く): 1189228700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 571, 1142, 2284, 2855, 5710, 6281, 7309, 11420, 12562, 14618, 25124, 29236, 31405, 36545, 62810, 73090, 80399, 125620, 146180, 160798, 321596, 401995, 803990, 1607980, 4173439, 8346878, 16693756, 20867195, 41734390, 45907829, 83468780, 91815658, 183631316, 229539145, 459078290, 918156580]

約数ペア:

[(1, 918156580), (2, 459078290), (4, 229539145), (5, 183631316), (10, 91815658), (11, 83468780), (20, 45907829), (22, 41734390), (44, 20867195), (55, 16693756), (110, 8346878), (220, 4173439), (571, 1607980), (1142, 803990), (2284, 401995), (2855, 321596), (5710, 160798), (6281, 146180), (7309, 125620), (11420, 80399), (12562, 73090), (14618, 62810), (25124, 36545), (29236, 31405)]