1386395710

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{404197}}^1$

素因数の和:404225

約数の個数: 32

約数和(自身を含む): 2910225600

約数和(自身を除く): 1523829890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 404197, 808394, 2020985, 2829379, 4041970, 5658758, 14146895, 19805653, 28293790, 39611306, 99028265, 138639571, 198056530, 277279142, 693197855, 1386395710]

約数ペア:

[(1, 1386395710), (2, 693197855), (5, 277279142), (7, 198056530), (10, 138639571), (14, 99028265), (35, 39611306), (49, 28293790), (70, 19805653), (98, 14146895), (245, 5658758), (343, 4041970), (490, 2829379), (686, 2020985), (1715, 808394), (3430, 404197)]