4451440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7969

約数の個数: 40

約数和(自身を含む): 11829600

約数和(自身を除く): 7378160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7949, 15898, 31796, 39745, 55643, 63592, 79490, 111286, 127184, 158980, 222572, 278215, 317960, 445144, 556430, 635920, 890288, 1112860, 2225720, 4451440]

約数ペア:

[(1, 4451440), (2, 2225720), (4, 1112860), (5, 890288), (7, 635920), (8, 556430), (10, 445144), (14, 317960), (16, 278215), (20, 222572), (28, 158980), (35, 127184), (40, 111286), (56, 79490), (70, 63592), (80, 55643), (112, 39745), (140, 31796), (280, 15898), (560, 7949)]