1339660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1367}}^1$

素因数の和:1390

約数の個数: 36

約数和(自身を含む): 3274992

約数和(自身を除く): 1935332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1367, 2734, 5468, 6835, 9569, 13670, 19138, 27340, 38276, 47845, 66983, 95690, 133966, 191380, 267932, 334915, 669830, 1339660]

約数ペア:

[(1, 1339660), (2, 669830), (4, 334915), (5, 267932), (7, 191380), (10, 133966), (14, 95690), (20, 66983), (28, 47845), (35, 38276), (49, 27340), (70, 19138), (98, 13670), (140, 9569), (196, 6835), (245, 5468), (490, 2734), (980, 1367)]