1330449220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{298307}}^1$

素因数の和:298539

約数の個数: 24

約数和(自身を含む): 2806481664

約数和(自身を除く): 1476032444

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 298307, 596614, 1193228, 1491535, 2983070, 5966140, 66522461, 133044922, 266089844, 332612305, 665224610, 1330449220]

約数ペア:

[(1, 1330449220), (2, 665224610), (4, 332612305), (5, 266089844), (10, 133044922), (20, 66522461), (223, 5966140), (446, 2983070), (892, 1491535), (1115, 1193228), (2230, 596614), (4460, 298307)]