68031880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242971}}^1$

素因数の和:242989

約数の個数: 32

約数和(自身を含む): 174939840

約数和(自身を除く): 106907960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242971, 485942, 971884, 1214855, 1700797, 1943768, 2429710, 3401594, 4859420, 6803188, 8503985, 9718840, 13606376, 17007970, 34015940, 68031880]

約数ペア:

[(1, 68031880), (2, 34015940), (4, 17007970), (5, 13606376), (7, 9718840), (8, 8503985), (10, 6803188), (14, 4859420), (20, 3401594), (28, 2429710), (35, 1943768), (40, 1700797), (56, 1214855), (70, 971884), (140, 485942), (280, 242971)]