780620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 1711584

約数和(自身を除く): 930964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1697, 3394, 6788, 8485, 16970, 33940, 39031, 78062, 156124, 195155, 390310, 780620]

約数ペア:

[(1, 780620), (2, 390310), (4, 195155), (5, 156124), (10, 78062), (20, 39031), (23, 33940), (46, 16970), (92, 8485), (115, 6788), (230, 3394), (460, 1697)]