71890510

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{20599}}^1$

素因数の和:20955

約数の個数: 16

約数和(自身を含む): 129780000

約数和(自身を除く): 57889490

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 20599, 41198, 102995, 205990, 7189051, 14378102, 35945255, 71890510]

約数ペア:

[(1, 71890510), (2, 35945255), (5, 14378102), (10, 7189051), (349, 205990), (698, 102995), (1745, 41198), (3490, 20599)]