69609980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 160072416

約数和(自身を除く): 90462436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 797, 1588, 1594, 1985, 3188, 3970, 3985, 4367, 7940, 7970, 8734, 8767, 15940, 17468, 17534, 21835, 35068, 43670, 43835, 87340, 87670, 175340, 316409, 632818, 1265636, 1582045, 3164090, 3480499, 6328180, 6960998, 13921996, 17402495, 34804990, 69609980]

約数ペア:

[(1, 69609980), (2, 34804990), (4, 17402495), (5, 13921996), (10, 6960998), (11, 6328180), (20, 3480499), (22, 3164090), (44, 1582045), (55, 1265636), (110, 632818), (220, 316409), (397, 175340), (794, 87670), (797, 87340), (1588, 43835), (1594, 43670), (1985, 35068), (3188, 21835), (3970, 17534), (3985, 17468), (4367, 15940), (7940, 8767), (7970, 8734)]