7198420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{859}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 15170400

約数和(自身を除く): 7971980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 859, 1676, 1718, 2095, 3436, 4190, 4295, 8380, 8590, 17180, 359921, 719842, 1439684, 1799605, 3599210, 7198420]

約数ペア:

[(1, 7198420), (2, 3599210), (4, 1799605), (5, 1439684), (10, 719842), (20, 359921), (419, 17180), (838, 8590), (859, 8380), (1676, 4295), (1718, 4190), (2095, 3436)]