7208390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 15463872

約数和(自身を除く): 8255482

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 313, 329, 470, 490, 626, 658, 1565, 1645, 2191, 2303, 3130, 3290, 4382, 4606, 10955, 11515, 14711, 15337, 21910, 23030, 29422, 30674, 73555, 76685, 102977, 147110, 153370, 205954, 514885, 720839, 1029770, 1441678, 3604195, 7208390]

約数ペア:

[(1, 7208390), (2, 3604195), (5, 1441678), (7, 1029770), (10, 720839), (14, 514885), (35, 205954), (47, 153370), (49, 147110), (70, 102977), (94, 76685), (98, 73555), (235, 30674), (245, 29422), (313, 23030), (329, 21910), (470, 15337), (490, 14711), (626, 11515), (658, 10955), (1565, 4606), (1645, 4382), (2191, 3290), (2303, 3130)]