1566245780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{647209}}^1$

素因数の和:647240

約数の個数: 36

約数和(自身を含む): 3615315060

約数和(自身を除く): 2049069280

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 647209, 1294418, 2588836, 3236045, 6472090, 7119299, 12944180, 14238598, 28477196, 35596495, 71192990, 78312289, 142385980, 156624578, 313249156, 391561445, 783122890, 1566245780]

約数ペア:

[(1, 1566245780), (2, 783122890), (4, 391561445), (5, 313249156), (10, 156624578), (11, 142385980), (20, 78312289), (22, 71192990), (44, 35596495), (55, 28477196), (110, 14238598), (121, 12944180), (220, 7119299), (242, 6472090), (484, 3236045), (605, 2588836), (1210, 1294418), (2420, 647209)]