28017550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 57456144

約数和(自身を除く): 29438594

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 421, 550, 605, 842, 1210, 1331, 2105, 2662, 3025, 4210, 4631, 6050, 6655, 9262, 10525, 13310, 21050, 23155, 33275, 46310, 50941, 66550, 101882, 115775, 231550, 254705, 509410, 560351, 1120702, 1273525, 2547050, 2801755, 5603510, 14008775, 28017550]

約数ペア:

[(1, 28017550), (2, 14008775), (5, 5603510), (10, 2801755), (11, 2547050), (22, 1273525), (25, 1120702), (50, 560351), (55, 509410), (110, 254705), (121, 231550), (242, 115775), (275, 101882), (421, 66550), (550, 50941), (605, 46310), (842, 33275), (1210, 23155), (1331, 21050), (2105, 13310), (2662, 10525), (3025, 9262), (4210, 6655), (4631, 6050)]