739880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 1701000

約数和(自身を除く): 961120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 349, 424, 530, 698, 1060, 1396, 1745, 2120, 2792, 3490, 6980, 13960, 18497, 36994, 73988, 92485, 147976, 184970, 369940, 739880]

約数ペア:

[(1, 739880), (2, 369940), (4, 184970), (5, 147976), (8, 92485), (10, 73988), (20, 36994), (40, 18497), (53, 13960), (106, 6980), (212, 3490), (265, 2792), (349, 2120), (424, 1745), (530, 1396), (698, 1060)]