12984460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 28748160

約数和(自身を除く): 15763700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 367, 580, 610, 734, 1220, 1468, 1769, 1835, 3538, 3670, 7076, 7340, 8845, 10643, 17690, 21286, 22387, 35380, 42572, 44774, 53215, 89548, 106430, 111935, 212860, 223870, 447740, 649223, 1298446, 2596892, 3246115, 6492230, 12984460]

約数ペア:

[(1, 12984460), (2, 6492230), (4, 3246115), (5, 2596892), (10, 1298446), (20, 649223), (29, 447740), (58, 223870), (61, 212860), (116, 111935), (122, 106430), (145, 89548), (244, 53215), (290, 44774), (305, 42572), (367, 35380), (580, 22387), (610, 21286), (734, 17690), (1220, 10643), (1468, 8845), (1769, 7340), (1835, 7076), (3538, 3670)]