291233320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040119}}^1$

素因数の和:1040137

約数の個数: 32

約数和(自身を含む): 748886400

約数和(自身を除く): 457653080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040119, 2080238, 4160476, 5200595, 7280833, 8320952, 10401190, 14561666, 20802380, 29123332, 36404165, 41604760, 58246664, 72808330, 145616660, 291233320]

約数ペア:

[(1, 291233320), (2, 145616660), (4, 72808330), (5, 58246664), (7, 41604760), (8, 36404165), (10, 29123332), (14, 20802380), (20, 14561666), (28, 10401190), (35, 8320952), (40, 7280833), (56, 5200595), (70, 4160476), (140, 2080238), (280, 1040119)]