1377460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9839}}^1$

素因数の和:9855

約数の個数: 24

約数和(自身を含む): 3306240

約数和(自身を除く): 1928780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9839, 19678, 39356, 49195, 68873, 98390, 137746, 196780, 275492, 344365, 688730, 1377460]

約数ペア:

[(1, 1377460), (2, 688730), (4, 344365), (5, 275492), (7, 196780), (10, 137746), (14, 98390), (20, 68873), (28, 49195), (35, 39356), (70, 19678), (140, 9839)]