2019657025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1609}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 2731075200

約数和(自身を除く): 711418175

約数列:

[1, 5, 23, 25, 37, 59, 115, 185, 295, 575, 851, 925, 1357, 1475, 1609, 2183, 4255, 6785, 8045, 10915, 21275, 33925, 37007, 40225, 50209, 54575, 59533, 94931, 185035, 251045, 297665, 474655, 925175, 1255225, 1369259, 1488325, 2183413, 2373275, 3512447, 6846295, 10917065, 17562235, 34231475, 54585325, 80786281, 87811175, 403931405, 2019657025]

約数ペア:

[(1, 2019657025), (5, 403931405), (23, 87811175), (25, 80786281), (37, 54585325), (59, 34231475), (115, 17562235), (185, 10917065), (295, 6846295), (575, 3512447), (851, 2373275), (925, 2183413), (1357, 1488325), (1475, 1369259), (1609, 1255225), (2183, 925175), (4255, 474655), (6785, 297665), (8045, 251045), (10915, 185035), (21275, 94931), (33925, 59533), (37007, 54575), (40225, 50209)]