1979822020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1\times {\mathrm{5303}}^1$

素因数の和:7020

約数の個数: 48

約数和(自身を含む): 4539120768

約数和(自身を除く): 2559298748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1697, 3394, 5303, 6788, 8485, 10606, 16970, 18667, 21212, 26515, 33940, 37334, 53030, 58333, 74668, 93335, 106060, 116666, 186670, 233332, 291665, 373340, 583330, 1166660, 8999191, 17998382, 35996764, 44995955, 89991910, 98991101, 179983820, 197982202, 395964404, 494955505, 989911010, 1979822020]

約数ペア:

[(1, 1979822020), (2, 989911010), (4, 494955505), (5, 395964404), (10, 197982202), (11, 179983820), (20, 98991101), (22, 89991910), (44, 44995955), (55, 35996764), (110, 17998382), (220, 8999191), (1697, 1166660), (3394, 583330), (5303, 373340), (6788, 291665), (8485, 233332), (10606, 186670), (16970, 116666), (18667, 106060), (21212, 93335), (26515, 74668), (33940, 58333), (37334, 53030)]