280544990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1597}}^2$

素因数の和:3212

約数の個数: 24

約数和(自身を含む): 551233512

約数和(自身を除く): 270688522

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1597, 3194, 7985, 15970, 17567, 35134, 87835, 175670, 2550409, 5100818, 12752045, 25504090, 28054499, 56108998, 140272495, 280544990]

約数ペア:

[(1, 280544990), (2, 140272495), (5, 56108998), (10, 28054499), (11, 25504090), (22, 12752045), (55, 5100818), (110, 2550409), (1597, 175670), (3194, 87835), (7985, 35134), (15970, 17567)]