215110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:460

約数の個数: 24

約数和(自身を含む): 451440

約数和(自身を除く): 236330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 439, 490, 878, 2195, 3073, 4390, 6146, 15365, 21511, 30730, 43022, 107555, 215110]

約数ペア:

[(1, 215110), (2, 107555), (5, 43022), (7, 30730), (10, 21511), (14, 15365), (35, 6146), (49, 4390), (70, 3073), (98, 2195), (245, 878), (439, 490)]