549920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{491}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 1487808

約数和(自身を除く): 937888

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, 491, 560, 982, 1120, 1964, 2455, 3437, 3928, 4910, 6874, 7856, 9820, 13748, 15712, 17185, 19640, 27496, 34370, 39280, 54992, 68740, 78560, 109984, 137480, 274960, 549920]

約数ペア:

[(1, 549920), (2, 274960), (4, 137480), (5, 109984), (7, 78560), (8, 68740), (10, 54992), (14, 39280), (16, 34370), (20, 27496), (28, 19640), (32, 17185), (35, 15712), (40, 13748), (56, 9820), (70, 7856), (80, 6874), (112, 4910), (140, 3928), (160, 3437), (224, 2455), (280, 1964), (491, 1120), (560, 982)]