220157740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2377}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 505772064

約数和(自身を除く): 285614324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 2377, 4210, 4631, 4754, 8420, 9262, 9508, 11885, 18524, 23155, 23770, 26147, 46310, 47540, 52294, 92620, 104588, 130735, 261470, 522940, 1000717, 2001434, 4002868, 5003585, 10007170, 11007887, 20014340, 22015774, 44031548, 55039435, 110078870, 220157740]

約数ペア:

[(1, 220157740), (2, 110078870), (4, 55039435), (5, 44031548), (10, 22015774), (11, 20014340), (20, 11007887), (22, 10007170), (44, 5003585), (55, 4002868), (110, 2001434), (220, 1000717), (421, 522940), (842, 261470), (1684, 130735), (2105, 104588), (2377, 92620), (4210, 52294), (4631, 47540), (4754, 46310), (8420, 26147), (9262, 23770), (9508, 23155), (11885, 18524)]