258449380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1846067}}^1$

素因数の和:1846083

約数の個数: 24

約数和(自身を含む): 620278848

約数和(自身を除く): 361829468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1846067, 3692134, 7384268, 9230335, 12922469, 18460670, 25844938, 36921340, 51689876, 64612345, 129224690, 258449380]

約数ペア:

[(1, 258449380), (2, 129224690), (4, 64612345), (5, 51689876), (7, 36921340), (10, 25844938), (14, 18460670), (20, 12922469), (28, 9230335), (35, 7384268), (70, 3692134), (140, 1846067)]