211330280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{754751}}^1$

素因数の和:754769

約数の個数: 32

約数和(自身を含む): 543421440

約数和(自身を除く): 332091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 754751, 1509502, 3019004, 3773755, 5283257, 6038008, 7547510, 10566514, 15095020, 21133028, 26416285, 30190040, 42266056, 52832570, 105665140, 211330280]

約数ペア:

[(1, 211330280), (2, 105665140), (4, 52832570), (5, 42266056), (7, 30190040), (8, 26416285), (10, 21133028), (14, 15095020), (20, 10566514), (28, 7547510), (35, 6038008), (40, 5283257), (56, 3773755), (70, 3019004), (140, 1509502), (280, 754751)]