3977260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28409}}^1$

素因数の和:28425

約数の個数: 24

約数和(自身を含む): 9545760

約数和(自身を除く): 5568500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28409, 56818, 113636, 142045, 198863, 284090, 397726, 568180, 795452, 994315, 1988630, 3977260]

約数ペア:

[(1, 3977260), (2, 1988630), (4, 994315), (5, 795452), (7, 568180), (10, 397726), (14, 284090), (20, 198863), (28, 142045), (35, 113636), (70, 56818), (140, 28409)]