78105790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2663}}^1$

素因数の和:3096

約数の個数: 32

約数和(自身を含む): 161118720

約数和(自身を除く): 83012930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 838, 2095, 2663, 2933, 4190, 5326, 5866, 13315, 14665, 18641, 26630, 29330, 37282, 93205, 186410, 1115797, 2231594, 5578985, 7810579, 11157970, 15621158, 39052895, 78105790]

約数ペア:

[(1, 78105790), (2, 39052895), (5, 15621158), (7, 11157970), (10, 7810579), (14, 5578985), (35, 2231594), (70, 1115797), (419, 186410), (838, 93205), (2095, 37282), (2663, 29330), (2933, 26630), (4190, 18641), (5326, 14665), (5866, 13315)]