671036620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{472561}}^1$

素因数の和:472641

約数の個数: 24

約数和(自身を含む): 1429027488

約数和(自身を除く): 757990868

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 472561, 945122, 1890244, 2362805, 4725610, 9451220, 33551831, 67103662, 134207324, 167759155, 335518310, 671036620]

約数ペア:

[(1, 671036620), (2, 335518310), (4, 167759155), (5, 134207324), (10, 67103662), (20, 33551831), (71, 9451220), (142, 4725610), (284, 2362805), (355, 1890244), (710, 945122), (1420, 472561)]