772790740

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{123449}}^1$

素因数の和:123771

約数の個数: 24

約数和(自身を含む): 1628058600

約数和(自身を除く): 855267860

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 123449, 246898, 493796, 617245, 1234490, 2468980, 38639537, 77279074, 154558148, 193197685, 386395370, 772790740]

約数ペア:

[(1, 772790740), (2, 386395370), (4, 193197685), (5, 154558148), (10, 77279074), (20, 38639537), (313, 2468980), (626, 1234490), (1252, 617245), (1565, 493796), (3130, 246898), (6260, 123449)]