68599510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139999}}^1$

素因数の和:140020

約数の個数: 24

約数和(自身を含む): 143640000

約数和(自身を除く): 75040490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 139999, 279998, 699995, 979993, 1399990, 1959986, 4899965, 6859951, 9799930, 13719902, 34299755, 68599510]

約数ペア:

[(1, 68599510), (2, 34299755), (5, 13719902), (7, 9799930), (10, 6859951), (14, 4899965), (35, 1959986), (49, 1399990), (70, 979993), (98, 699995), (245, 279998), (490, 139999)]