71408540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510061}}^1$

素因数の和:510077

約数の個数: 24

約数和(自身を含む): 171380832

約数和(自身を除く): 99972292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510061, 1020122, 2040244, 2550305, 3570427, 5100610, 7140854, 10201220, 14281708, 17852135, 35704270, 71408540]

約数ペア:

[(1, 71408540), (2, 35704270), (4, 17852135), (5, 14281708), (7, 10201220), (10, 7140854), (14, 5100610), (20, 3570427), (28, 2550305), (35, 2040244), (70, 1020122), (140, 510061)]