239651440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{427949}}^1$

素因数の和:427969

約数の個数: 40

約数和(自身を含む): 636789600

約数和(自身を除く): 397138160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 427949, 855898, 1711796, 2139745, 2995643, 3423592, 4279490, 5991286, 6847184, 8558980, 11982572, 14978215, 17117960, 23965144, 29956430, 34235920, 47930288, 59912860, 119825720, 239651440]

約数ペア:

[(1, 239651440), (2, 119825720), (4, 59912860), (5, 47930288), (7, 34235920), (8, 29956430), (10, 23965144), (14, 17117960), (16, 14978215), (20, 11982572), (28, 8558980), (35, 6847184), (40, 5991286), (56, 4279490), (70, 3423592), (80, 2995643), (112, 2139745), (140, 1711796), (280, 855898), (560, 427949)]