720283984

素因数分解:

$2^4\times 7^1\times {\mathrm{2251}}^1\times {\mathrm{2857}}^1$

素因数の和:5123

約数の個数: 40

約数和(自身を含む): 1596181568

約数和(自身を除く): 875897584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2251, 2857, 4502, 5714, 9004, 11428, 15757, 18008, 19999, 22856, 31514, 36016, 39998, 45712, 63028, 79996, 126056, 159992, 252112, 319984, 6431107, 12862214, 25724428, 45017749, 51448856, 90035498, 102897712, 180070996, 360141992, 720283984]

約数ペア:

[(1, 720283984), (2, 360141992), (4, 180070996), (7, 102897712), (8, 90035498), (14, 51448856), (16, 45017749), (28, 25724428), (56, 12862214), (112, 6431107), (2251, 319984), (2857, 252112), (4502, 159992), (5714, 126056), (9004, 79996), (11428, 63028), (15757, 45712), (18008, 39998), (19999, 36016), (22856, 31514)]