127554680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{289897}}^1$

素因数の和:289919

約数の個数: 32

約数和(自身を含む): 313089840

約数和(自身を除く): 185535160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 289897, 579794, 1159588, 1449485, 2319176, 2898970, 3188867, 5797940, 6377734, 11595880, 12755468, 15944335, 25510936, 31888670, 63777340, 127554680]

約数ペア:

[(1, 127554680), (2, 63777340), (4, 31888670), (5, 25510936), (8, 15944335), (10, 12755468), (11, 11595880), (20, 6377734), (22, 5797940), (40, 3188867), (44, 2898970), (55, 2319176), (88, 1449485), (110, 1159588), (220, 579794), (440, 289897)]