210656440

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12569}}^1$

素因数の和:12999

約数の個数: 32

約数和(自身を含む): 475146000

約数和(自身を除く): 264489560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12569, 16760, 25138, 50276, 62845, 100552, 125690, 251380, 502760, 5266411, 10532822, 21065644, 26332055, 42131288, 52664110, 105328220, 210656440]

約数ペア:

[(1, 210656440), (2, 105328220), (4, 52664110), (5, 42131288), (8, 26332055), (10, 21065644), (20, 10532822), (40, 5266411), (419, 502760), (838, 251380), (1676, 125690), (2095, 100552), (3352, 62845), (4190, 50276), (8380, 25138), (12569, 16760)]