8662220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8839}}^1$

素因数の和:8862

約数の個数: 36

約数和(自身を含む): 21162960

約数和(自身を除く): 12500740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8839, 17678, 35356, 44195, 61873, 88390, 123746, 176780, 247492, 309365, 433111, 618730, 866222, 1237460, 1732444, 2165555, 4331110, 8662220]

約数ペア:

[(1, 8662220), (2, 4331110), (4, 2165555), (5, 1732444), (7, 1237460), (10, 866222), (14, 618730), (20, 433111), (28, 309365), (35, 247492), (49, 176780), (70, 123746), (98, 88390), (140, 61873), (196, 44195), (245, 35356), (490, 17678), (980, 8839)]