8642620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8819}}^1$

素因数の和:8842

約数の個数: 36

約数和(自身を含む): 21115080

約数和(自身を除く): 12472460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8819, 17638, 35276, 44095, 61733, 88190, 123466, 176380, 246932, 308665, 432131, 617330, 864262, 1234660, 1728524, 2160655, 4321310, 8642620]

約数ペア:

[(1, 8642620), (2, 4321310), (4, 2160655), (5, 1728524), (7, 1234660), (10, 864262), (14, 617330), (20, 432131), (28, 308665), (35, 246932), (49, 176380), (70, 123466), (98, 88190), (140, 61733), (196, 44095), (245, 35276), (490, 17638), (980, 8819)]