216147580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{982489}}^1$

素因数の和:982509

約数の個数: 24

約数和(自身を含む): 495174960

約数和(自身を除く): 279027380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 982489, 1964978, 3929956, 4912445, 9824890, 10807379, 19649780, 21614758, 43229516, 54036895, 108073790, 216147580]

約数ペア:

[(1, 216147580), (2, 108073790), (4, 54036895), (5, 43229516), (10, 21614758), (11, 19649780), (20, 10807379), (22, 9824890), (44, 4912445), (55, 3929956), (110, 1964978), (220, 982489)]