28028220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42467}}^1$

素因数の和:42490

約数の個数: 48

約数和(自身を含む): 85615488

約数和(自身を除く): 57587268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42467, 84934, 127401, 169868, 212335, 254802, 424670, 467137, 509604, 637005, 849340, 934274, 1274010, 1401411, 1868548, 2335685, 2548020, 2802822, 4671370, 5605644, 7007055, 9342740, 14014110, 28028220]

約数ペア:

[(1, 28028220), (2, 14014110), (3, 9342740), (4, 7007055), (5, 5605644), (6, 4671370), (10, 2802822), (11, 2548020), (12, 2335685), (15, 1868548), (20, 1401411), (22, 1274010), (30, 934274), (33, 849340), (44, 637005), (55, 509604), (60, 467137), (66, 424670), (110, 254802), (132, 212335), (165, 169868), (220, 127401), (330, 84934), (660, 42467)]