788442940

素因数分解:

$2^2\times 5^1\times {\mathrm{2879}}^1\times {\mathrm{13693}}^1$

素因数の和:16581

約数の個数: 24

約数和(自身を含む): 1656426240

約数和(自身を除く): 867983300

約数列:

[1, 2, 4, 5, 10, 20, 2879, 5758, 11516, 13693, 14395, 27386, 28790, 54772, 57580, 68465, 136930, 273860, 39422147, 78844294, 157688588, 197110735, 394221470, 788442940]

約数ペア:

[(1, 788442940), (2, 394221470), (4, 197110735), (5, 157688588), (10, 78844294), (20, 39422147), (2879, 273860), (5758, 136930), (11516, 68465), (13693, 57580), (14395, 54772), (27386, 28790)]