27917960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99707}}^1$

素因数の和:99725

約数の個数: 32

約数和(自身を含む): 71789760

約数和(自身を除く): 43871800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99707, 199414, 398828, 498535, 697949, 797656, 997070, 1395898, 1994140, 2791796, 3489745, 3988280, 5583592, 6979490, 13958980, 27917960]

約数ペア:

[(1, 27917960), (2, 13958980), (4, 6979490), (5, 5583592), (7, 3988280), (8, 3489745), (10, 2791796), (14, 1994140), (20, 1395898), (28, 997070), (35, 797656), (40, 697949), (56, 498535), (70, 398828), (140, 199414), (280, 99707)]