139418390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5279}}^1$

素因数の和:5444

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 126693610

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 5279, 5282, 10558, 13205, 26395, 26410, 52790, 100301, 200602, 501505, 733781, 1003010, 1467562, 3668905, 7337810, 13941839, 27883678, 69709195, 139418390]

約数ペア:

[(1, 139418390), (2, 69709195), (5, 27883678), (10, 13941839), (19, 7337810), (38, 3668905), (95, 1467562), (139, 1003010), (190, 733781), (278, 501505), (695, 200602), (1390, 100301), (2641, 52790), (5279, 26410), (5282, 26395), (10558, 13205)]