8386420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 12297740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1619, 2590, 3238, 5180, 6476, 8095, 11333, 16190, 22666, 32380, 45332, 56665, 59903, 113330, 119806, 226660, 239612, 299515, 419321, 599030, 838642, 1198060, 1677284, 2096605, 4193210, 8386420]

約数ペア:

[(1, 8386420), (2, 4193210), (4, 2096605), (5, 1677284), (7, 1198060), (10, 838642), (14, 599030), (20, 419321), (28, 299515), (35, 239612), (37, 226660), (70, 119806), (74, 113330), (140, 59903), (148, 56665), (185, 45332), (259, 32380), (370, 22666), (518, 16190), (740, 11333), (1036, 8095), (1295, 6476), (1619, 5180), (2590, 3238)]