3929140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 8370432

約数和(自身を除く): 4441292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2767, 5534, 11068, 13835, 27670, 55340, 196457, 392914, 785828, 982285, 1964570, 3929140]

約数ペア:

[(1, 3929140), (2, 1964570), (4, 982285), (5, 785828), (10, 392914), (20, 196457), (71, 55340), (142, 27670), (284, 13835), (355, 11068), (710, 5534), (1420, 2767)]