23961980

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 58821000

約数和(自身を除く): 34859020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 499, 686, 980, 998, 1372, 1715, 1996, 2401, 2495, 3430, 3493, 4802, 4990, 6860, 6986, 9604, 9980, 12005, 13972, 17465, 24010, 24451, 34930, 48020, 48902, 69860, 97804, 122255, 171157, 244510, 342314, 489020, 684628, 855785, 1198099, 1711570, 2396198, 3423140, 4792396, 5990495, 11980990, 23961980]

約数ペア:

[(1, 23961980), (2, 11980990), (4, 5990495), (5, 4792396), (7, 3423140), (10, 2396198), (14, 1711570), (20, 1198099), (28, 855785), (35, 684628), (49, 489020), (70, 342314), (98, 244510), (140, 171157), (196, 122255), (245, 97804), (343, 69860), (490, 48902), (499, 48020), (686, 34930), (980, 24451), (998, 24010), (1372, 17465), (1715, 13972), (1996, 12005), (2401, 9980), (2495, 9604), (3430, 6986), (3493, 6860), (4802, 4990)]