999620

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 2119488

約数和(自身を除く): 1119868

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 331, 604, 662, 755, 1324, 1510, 1655, 3020, 3310, 6620, 49981, 99962, 199924, 249905, 499810, 999620]

約数ペア:

[(1, 999620), (2, 499810), (4, 249905), (5, 199924), (10, 99962), (20, 49981), (151, 6620), (302, 3310), (331, 3020), (604, 1655), (662, 1510), (755, 1324)]