2225720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7967

約数の個数: 32

約数和(自身を含む): 5724000

約数和(自身を除く): 3498280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7949, 15898, 31796, 39745, 55643, 63592, 79490, 111286, 158980, 222572, 278215, 317960, 445144, 556430, 1112860, 2225720]

約数ペア:

[(1, 2225720), (2, 1112860), (4, 556430), (5, 445144), (7, 317960), (8, 278215), (10, 222572), (14, 158980), (20, 111286), (28, 79490), (35, 63592), (40, 55643), (56, 39745), (70, 31796), (140, 15898), (280, 7949)]