1799698420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6921917}}^1$

素因数の和:6921939

約数の個数: 24

約数和(自身を含む): 4070087784

約数和(自身を除く): 2270389364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6921917, 13843834, 27687668, 34609585, 69219170, 89984921, 138438340, 179969842, 359939684, 449924605, 899849210, 1799698420]

約数ペア:

[(1, 1799698420), (2, 899849210), (4, 449924605), (5, 359939684), (10, 179969842), (13, 138438340), (20, 89984921), (26, 69219170), (52, 34609585), (65, 27687668), (130, 13843834), (260, 6921917)]