311083390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{11779}}^1$

素因数の和:11944

約数の個数: 32

約数和(自身を含む): 593712000

約数和(自身を除く): 282628610

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 5282, 11779, 13205, 23558, 26410, 58895, 117790, 223801, 447602, 1119005, 1637281, 2238010, 3274562, 8186405, 16372810, 31108339, 62216678, 155541695, 311083390]

約数ペア:

[(1, 311083390), (2, 155541695), (5, 62216678), (10, 31108339), (19, 16372810), (38, 8186405), (95, 3274562), (139, 2238010), (190, 1637281), (278, 1119005), (695, 447602), (1390, 223801), (2641, 117790), (5282, 58895), (11779, 26410), (13205, 23558)]