2786140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2843}}^1$

素因数の和:2866

約数の個数: 36

約数和(自身を含む): 6808536

約数和(自身を除く): 4022396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2843, 5686, 11372, 14215, 19901, 28430, 39802, 56860, 79604, 99505, 139307, 199010, 278614, 398020, 557228, 696535, 1393070, 2786140]

約数ペア:

[(1, 2786140), (2, 1393070), (4, 696535), (5, 557228), (7, 398020), (10, 278614), (14, 199010), (20, 139307), (28, 99505), (35, 79604), (49, 56860), (70, 39802), (98, 28430), (140, 19901), (196, 14215), (245, 11372), (490, 5686), (980, 2843)]