197409880

素因数分解:

$2^3\times 5^1\times {\mathrm{4935247}}^1$

素因数の和:4935258

約数の個数: 16

約数和(自身を含む): 444172320

約数和(自身を除く): 246762440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4935247, 9870494, 19740988, 24676235, 39481976, 49352470, 98704940, 197409880]

約数ペア:

[(1, 197409880), (2, 98704940), (4, 49352470), (5, 39481976), (8, 24676235), (10, 19740988), (20, 9870494), (40, 4935247)]