990260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 2113440

約数和(自身を除く): 1123180

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 739, 1340, 1478, 2956, 3695, 7390, 14780, 49513, 99026, 198052, 247565, 495130, 990260]

約数ペア:

[(1, 990260), (2, 495130), (4, 247565), (5, 198052), (10, 99026), (20, 49513), (67, 14780), (134, 7390), (268, 3695), (335, 2956), (670, 1478), (739, 1340)]