3219440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5749}}^1$

素因数の和:5769

約数の個数: 40

約数和(自身を含む): 8556000

約数和(自身を除く): 5336560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5749, 11498, 22996, 28745, 40243, 45992, 57490, 80486, 91984, 114980, 160972, 201215, 229960, 321944, 402430, 459920, 643888, 804860, 1609720, 3219440]

約数ペア:

[(1, 3219440), (2, 1609720), (4, 804860), (5, 643888), (7, 459920), (8, 402430), (10, 321944), (14, 229960), (16, 201215), (20, 160972), (28, 114980), (35, 91984), (40, 80486), (56, 57490), (70, 45992), (80, 40243), (112, 28745), (140, 22996), (280, 11498), (560, 5749)]