201529720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719749}}^1$

素因数の和:719767

約数の個数: 32

約数和(自身を含む): 518220000

約数和(自身を除く): 316690280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719749, 1439498, 2878996, 3598745, 5038243, 5757992, 7197490, 10076486, 14394980, 20152972, 25191215, 28789960, 40305944, 50382430, 100764860, 201529720]

約数ペア:

[(1, 201529720), (2, 100764860), (4, 50382430), (5, 40305944), (7, 28789960), (8, 25191215), (10, 20152972), (14, 14394980), (20, 10076486), (28, 7197490), (35, 5757992), (40, 5038243), (56, 3598745), (70, 2878996), (140, 1439498), (280, 719749)]