278380649260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{284061887}}^1$

素因数の和:284061910

約数の個数: 36

約数和(自身を含む): 680044159872

約数和(自身を除く): 401663510612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 284061887, 568123774, 1136247548, 1420309435, 1988433209, 2840618870, 3976866418, 5681237740, 7953732836, 9942166045, 13919032463, 19884332090, 27838064926, 39768664180, 55676129852, 69595162315, 139190324630, 278380649260]

約数ペア:

[(1, 278380649260), (2, 139190324630), (4, 69595162315), (5, 55676129852), (7, 39768664180), (10, 27838064926), (14, 19884332090), (20, 13919032463), (28, 9942166045), (35, 7953732836), (49, 5681237740), (70, 3976866418), (98, 2840618870), (140, 1988433209), (196, 1420309435), (245, 1136247548), (490, 568123774), (980, 284061887)]