297755740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 637056000

約数和(自身を除く): 339300260

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 199, 316, 395, 398, 790, 796, 947, 995, 1580, 1894, 1990, 3788, 3980, 4735, 9470, 15721, 18940, 31442, 62884, 74813, 78605, 149626, 157210, 188453, 299252, 314420, 374065, 376906, 748130, 753812, 942265, 1496260, 1884530, 3769060, 14887787, 29775574, 59551148, 74438935, 148877870, 297755740]

約数ペア:

[(1, 297755740), (2, 148877870), (4, 74438935), (5, 59551148), (10, 29775574), (20, 14887787), (79, 3769060), (158, 1884530), (199, 1496260), (316, 942265), (395, 753812), (398, 748130), (790, 376906), (796, 374065), (947, 314420), (995, 299252), (1580, 188453), (1894, 157210), (1990, 149626), (3788, 78605), (3980, 74813), (4735, 62884), (9470, 31442), (15721, 18940)]