69139990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{49741}}^1$

素因数の和:49887

約数の個数: 16

約数和(自身を含む): 125349840

約数和(自身を除く): 56209850

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 49741, 99482, 248705, 497410, 6913999, 13827998, 34569995, 69139990]

約数ペア:

[(1, 69139990), (2, 34569995), (5, 13827998), (10, 6913999), (139, 497410), (278, 248705), (695, 99482), (1390, 49741)]