488489980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2220409}}^1$

素因数の和:2220429

約数の個数: 24

約数和(自身を含む): 1119086640

約数和(自身を除く): 630596660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2220409, 4440818, 8881636, 11102045, 22204090, 24424499, 44408180, 48848998, 97697996, 122122495, 244244990, 488489980]

約数ペア:

[(1, 488489980), (2, 244244990), (4, 122122495), (5, 97697996), (10, 48848998), (11, 44408180), (20, 24424499), (22, 22204090), (44, 11102045), (55, 8881636), (110, 4440818), (220, 2220409)]