338206820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{345109}}^1$

素因数の和:345132

約数の個数: 36

約数和(自身を含む): 826193340

約数和(自身を除く): 487986520

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 345109, 690218, 1380436, 1725545, 2415763, 3451090, 4831526, 6902180, 9663052, 12078815, 16910341, 24157630, 33820682, 48315260, 67641364, 84551705, 169103410, 338206820]

約数ペア:

[(1, 338206820), (2, 169103410), (4, 84551705), (5, 67641364), (7, 48315260), (10, 33820682), (14, 24157630), (20, 16910341), (28, 12078815), (35, 9663052), (49, 6902180), (70, 4831526), (98, 3451090), (140, 2415763), (196, 1725545), (245, 1380436), (490, 690218), (980, 345109)]