1219480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 2811600

約数和(自身を除く): 1592120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 709, 860, 1418, 1720, 2836, 3545, 5672, 7090, 14180, 28360, 30487, 60974, 121948, 152435, 243896, 304870, 609740, 1219480]

約数ペア:

[(1, 1219480), (2, 609740), (4, 304870), (5, 243896), (8, 152435), (10, 121948), (20, 60974), (40, 30487), (43, 28360), (86, 14180), (172, 7090), (215, 5672), (344, 3545), (430, 2836), (709, 1720), (860, 1418)]