29951440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3499}}^1$

素因数の和:3619

約数の個数: 40

約数和(自身を含む): 70308000

約数和(自身を除く): 40356560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3499, 4280, 6998, 8560, 13996, 17495, 27992, 34990, 55984, 69980, 139960, 279920, 374393, 748786, 1497572, 1871965, 2995144, 3743930, 5990288, 7487860, 14975720, 29951440]

約数ペア:

[(1, 29951440), (2, 14975720), (4, 7487860), (5, 5990288), (8, 3743930), (10, 2995144), (16, 1871965), (20, 1497572), (40, 748786), (80, 374393), (107, 279920), (214, 139960), (428, 69980), (535, 55984), (856, 34990), (1070, 27992), (1712, 17495), (2140, 13996), (3499, 8560), (4280, 6998)]