130135880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{464771}}^1$

素因数の和:464789

約数の個数: 32

約数和(自身を含む): 334635840

約数和(自身を除く): 204499960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 464771, 929542, 1859084, 2323855, 3253397, 3718168, 4647710, 6506794, 9295420, 13013588, 16266985, 18590840, 26027176, 32533970, 65067940, 130135880]

約数ペア:

[(1, 130135880), (2, 65067940), (4, 32533970), (5, 26027176), (7, 18590840), (8, 16266985), (10, 13013588), (14, 9295420), (20, 6506794), (28, 4647710), (35, 3718168), (40, 3253397), (56, 2323855), (70, 1859084), (140, 929542), (280, 464771)]