28318220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3019}}^1$

素因数の和:3102

約数の個数: 48

約数和(自身を含む): 69000960

約数和(自身を除く): 40682740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3019, 4690, 6038, 9380, 12076, 15095, 21133, 30190, 42266, 60380, 84532, 105665, 202273, 211330, 404546, 422660, 809092, 1011365, 1415911, 2022730, 2831822, 4045460, 5663644, 7079555, 14159110, 28318220]

約数ペア:

[(1, 28318220), (2, 14159110), (4, 7079555), (5, 5663644), (7, 4045460), (10, 2831822), (14, 2022730), (20, 1415911), (28, 1011365), (35, 809092), (67, 422660), (70, 404546), (134, 211330), (140, 202273), (268, 105665), (335, 84532), (469, 60380), (670, 42266), (938, 30190), (1340, 21133), (1876, 15095), (2345, 12076), (3019, 9380), (4690, 6038)]