70811720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{252899}}^1$

素因数の和:252917

約数の個数: 32

約数和(自身を含む): 182088000

約数和(自身を除く): 111276280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 252899, 505798, 1011596, 1264495, 1770293, 2023192, 2528990, 3540586, 5057980, 7081172, 8851465, 10115960, 14162344, 17702930, 35405860, 70811720]

約数ペア:

[(1, 70811720), (2, 35405860), (4, 17702930), (5, 14162344), (7, 10115960), (8, 8851465), (10, 7081172), (14, 5057980), (20, 3540586), (28, 2528990), (35, 2023192), (40, 1770293), (56, 1264495), (70, 1011596), (140, 505798), (280, 252899)]