1990240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1777}}^1$

素因数の和:1799

約数の個数: 48

約数和(自身を含む): 5376672

約数和(自身を除く): 3386432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1777, 3554, 7108, 8885, 12439, 14216, 17770, 24878, 28432, 35540, 49756, 56864, 62195, 71080, 99512, 124390, 142160, 199024, 248780, 284320, 398048, 497560, 995120, 1990240]

約数ペア:

[(1, 1990240), (2, 995120), (4, 497560), (5, 398048), (7, 284320), (8, 248780), (10, 199024), (14, 142160), (16, 124390), (20, 99512), (28, 71080), (32, 62195), (35, 56864), (40, 49756), (56, 35540), (70, 28432), (80, 24878), (112, 17770), (140, 14216), (160, 12439), (224, 8885), (280, 7108), (560, 3554), (1120, 1777)]