297290680

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{15137}}^1$

素因数の和:15639

約数の個数: 32

約数和(自身を含む): 670310640

約数和(自身を除く): 373019960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 15137, 19640, 30274, 60548, 75685, 121096, 151370, 302740, 605480, 7432267, 14864534, 29729068, 37161335, 59458136, 74322670, 148645340, 297290680]

約数ペア:

[(1, 297290680), (2, 148645340), (4, 74322670), (5, 59458136), (8, 37161335), (10, 29729068), (20, 14864534), (40, 7432267), (491, 605480), (982, 302740), (1964, 151370), (2455, 121096), (3928, 75685), (4910, 60548), (9820, 30274), (15137, 19640)]