2912952140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20806801}}^1$

素因数の和:20806817

約数の個数: 24

約数和(自身を含む): 6991085472

約数和(自身を除く): 4078133332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20806801, 41613602, 83227204, 104034005, 145647607, 208068010, 291295214, 416136020, 582590428, 728238035, 1456476070, 2912952140]

約数ペア:

[(1, 2912952140), (2, 1456476070), (4, 728238035), (5, 582590428), (7, 416136020), (10, 291295214), (14, 208068010), (20, 145647607), (28, 104034005), (35, 83227204), (70, 41613602), (140, 20806801)]