280432012

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{20071}}^1$

素因数の和:20581

約数の個数: 24

約数和(自身を含む): 562016000

約数和(自身を除く): 281583988

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 6986, 13972, 20071, 40142, 80284, 140497, 280994, 561988, 10015429, 20030858, 40061716, 70108003, 140216006, 280432012]

約数ペア:

[(1, 280432012), (2, 140216006), (4, 70108003), (7, 40061716), (14, 20030858), (28, 10015429), (499, 561988), (998, 280994), (1996, 140497), (3493, 80284), (6986, 40142), (13972, 20071)]