201522440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719723}}^1$

素因数の和:719741

約数の個数: 32

約数和(自身を含む): 518201280

約数和(自身を除く): 316678840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719723, 1439446, 2878892, 3598615, 5038061, 5757784, 7197230, 10076122, 14394460, 20152244, 25190305, 28788920, 40304488, 50380610, 100761220, 201522440]

約数ペア:

[(1, 201522440), (2, 100761220), (4, 50380610), (5, 40304488), (7, 28788920), (8, 25190305), (10, 20152244), (14, 14394460), (20, 10076122), (28, 7197230), (35, 5757784), (40, 5038061), (56, 3598615), (70, 2878892), (140, 1439446), (280, 719723)]