71479660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510569}}^1$

素因数の和:510585

約数の個数: 24

約数和(自身を含む): 171551520

約数和(自身を除く): 100071860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510569, 1021138, 2042276, 2552845, 3573983, 5105690, 7147966, 10211380, 14295932, 17869915, 35739830, 71479660]

約数ペア:

[(1, 71479660), (2, 35739830), (4, 17869915), (5, 14295932), (7, 10211380), (10, 7147966), (14, 5105690), (20, 3573983), (28, 2552845), (35, 2042276), (70, 1021138), (140, 510569)]