31891580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227797}}^1$

素因数の和:227813

約数の個数: 24

約数和(自身を含む): 76540128

約数和(自身を除く): 44648548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227797, 455594, 911188, 1138985, 1594579, 2277970, 3189158, 4555940, 6378316, 7972895, 15945790, 31891580]

約数ペア:

[(1, 31891580), (2, 15945790), (4, 7972895), (5, 6378316), (7, 4555940), (10, 3189158), (14, 2277970), (20, 1594579), (28, 1138985), (35, 911188), (70, 455594), (140, 227797)]