298581560

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{7487}}^1$

素因数の和:8495

約数の個数: 32

約数和(自身を含む): 672572160

約数和(自身を除く): 373990600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7487, 7976, 9970, 14974, 19940, 29948, 37435, 39880, 59896, 74870, 149740, 299480, 7464539, 14929078, 29858156, 37322695, 59716312, 74645390, 149290780, 298581560]

約数ペア:

[(1, 298581560), (2, 149290780), (4, 74645390), (5, 59716312), (8, 37322695), (10, 29858156), (20, 14929078), (40, 7464539), (997, 299480), (1994, 149740), (3988, 74870), (4985, 59896), (7487, 39880), (7976, 37435), (9970, 29948), (14974, 19940)]