329729260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2355209}}^1$

素因数の和:2355225

約数の個数: 24

約数和(自身を含む): 791350560

約数和(自身を除く): 461621300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2355209, 4710418, 9420836, 11776045, 16486463, 23552090, 32972926, 47104180, 65945852, 82432315, 164864630, 329729260]

約数ペア:

[(1, 329729260), (2, 164864630), (4, 82432315), (5, 65945852), (7, 47104180), (10, 32972926), (14, 23552090), (20, 16486463), (28, 11776045), (35, 9420836), (70, 4710418), (140, 2355209)]