28898660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206419}}^1$

素因数の和:206435

約数の個数: 24

約数和(自身を含む): 69357120

約数和(自身を除く): 40458460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206419, 412838, 825676, 1032095, 1444933, 2064190, 2889866, 4128380, 5779732, 7224665, 14449330, 28898660]

約数ペア:

[(1, 28898660), (2, 14449330), (4, 7224665), (5, 5779732), (7, 4128380), (10, 2889866), (14, 2064190), (20, 1444933), (28, 1032095), (35, 825676), (70, 412838), (140, 206419)]