387743630975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1\times {\mathrm{12739}}^1$

素因数の和:13368

約数の個数: 48

約数和(自身を含む): 510894384000

約数和(自身を除く): 123150753025

約数列:

[1, 5, 19, 25, 95, 139, 461, 475, 695, 2305, 2641, 3475, 8759, 11525, 12739, 13205, 43795, 63695, 64079, 66025, 218975, 242041, 318475, 320395, 1210205, 1217501, 1601975, 1770721, 5872679, 6051025, 6087505, 8853605, 29363395, 30437525, 33643699, 44268025, 111580901, 146816975, 168218495, 557904505, 816302381, 841092475, 2789522525, 4081511905, 15509745239, 20407559525, 77548726195, 387743630975]

約数ペア:

[(1, 387743630975), (5, 77548726195), (19, 20407559525), (25, 15509745239), (95, 4081511905), (139, 2789522525), (461, 841092475), (475, 816302381), (695, 557904505), (2305, 168218495), (2641, 146816975), (3475, 111580901), (8759, 44268025), (11525, 33643699), (12739, 30437525), (13205, 29363395), (43795, 8853605), (63695, 6087505), (64079, 6051025), (66025, 5872679), (218975, 1770721), (242041, 1601975), (318475, 1217501), (320395, 1210205)]