68189740

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7001}}^1$

素因数の和:7497

約数の個数: 24

約数和(自身を含む): 143512992

約数和(自身を除く): 75323252

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 7001, 9740, 14002, 28004, 35005, 70010, 140020, 3409487, 6818974, 13637948, 17047435, 34094870, 68189740]

約数ペア:

[(1, 68189740), (2, 34094870), (4, 17047435), (5, 13637948), (10, 6818974), (20, 3409487), (487, 140020), (974, 70010), (1948, 35005), (2435, 28004), (4870, 14002), (7001, 9740)]