404449340

素因数分解:

$2^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{17539}}^1$

素因数の和:18701

約数の個数: 24

約数和(自身を含む): 850128720

約数和(自身を除く): 445679380

約数列:

[1, 2, 4, 5, 10, 20, 1153, 2306, 4612, 5765, 11530, 17539, 23060, 35078, 70156, 87695, 175390, 350780, 20222467, 40444934, 80889868, 101112335, 202224670, 404449340]

約数ペア:

[(1, 404449340), (2, 202224670), (4, 101112335), (5, 80889868), (10, 40444934), (20, 20222467), (1153, 350780), (2306, 175390), (4612, 87695), (5765, 70156), (11530, 35078), (17539, 23060)]