217364620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{988021}}^1$

素因数の和:988041

約数の個数: 24

約数和(自身を含む): 497963088

約数和(自身を除く): 280598468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 988021, 1976042, 3952084, 4940105, 9880210, 10868231, 19760420, 21736462, 43472924, 54341155, 108682310, 217364620]

約数ペア:

[(1, 217364620), (2, 108682310), (4, 54341155), (5, 43472924), (10, 21736462), (11, 19760420), (20, 10868231), (22, 9880210), (44, 4940105), (55, 3952084), (110, 1976042), (220, 988021)]