145247740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{660217}}^1$

素因数の和:660237

約数の個数: 24

約数和(自身を含む): 332749872

約数和(自身を除く): 187502132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 660217, 1320434, 2640868, 3301085, 6602170, 7262387, 13204340, 14524774, 29049548, 36311935, 72623870, 145247740]

約数ペア:

[(1, 145247740), (2, 72623870), (4, 36311935), (5, 29049548), (10, 14524774), (11, 13204340), (20, 7262387), (22, 6602170), (44, 3301085), (55, 2640868), (110, 1320434), (220, 660217)]