69429940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43943}}^1$

素因数の和:44031

約数の個数: 24

約数和(自身を含む): 147651840

約数和(自身を除く): 78221900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 43943, 87886, 175772, 219715, 439430, 878860, 3471497, 6942994, 13885988, 17357485, 34714970, 69429940]

約数ペア:

[(1, 69429940), (2, 34714970), (4, 17357485), (5, 13885988), (10, 6942994), (20, 3471497), (79, 878860), (158, 439430), (316, 219715), (395, 175772), (790, 87886), (1580, 43943)]