276780560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{494251}}^1$

素因数の和:494271

約数の個数: 40

約数和(自身を含む): 735446976

約数和(自身を除く): 458666416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 494251, 988502, 1977004, 2471255, 3459757, 3954008, 4942510, 6919514, 7908016, 9885020, 13839028, 17298785, 19770040, 27678056, 34597570, 39540080, 55356112, 69195140, 138390280, 276780560]

約数ペア:

[(1, 276780560), (2, 138390280), (4, 69195140), (5, 55356112), (7, 39540080), (8, 34597570), (10, 27678056), (14, 19770040), (16, 17298785), (20, 13839028), (28, 9885020), (35, 7908016), (40, 6919514), (56, 4942510), (70, 3954008), (80, 3459757), (112, 2471255), (140, 1977004), (280, 988502), (560, 494251)]