255509240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{912533}}^1$

素因数の和:912551

約数の個数: 32

約数和(自身を含む): 657024480

約数和(自身を除く): 401515240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 912533, 1825066, 3650132, 4562665, 6387731, 7300264, 9125330, 12775462, 18250660, 25550924, 31938655, 36501320, 51101848, 63877310, 127754620, 255509240]

約数ペア:

[(1, 255509240), (2, 127754620), (4, 63877310), (5, 51101848), (7, 36501320), (8, 31938655), (10, 25550924), (14, 18250660), (20, 12775462), (28, 9125330), (35, 7300264), (40, 6387731), (56, 4562665), (70, 3650132), (140, 1825066), (280, 912533)]