3849440

素因数分解:

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

素因数の和:520

約数の個数: 72

約数和(自身を含む): 10600632

約数和(自身を除く): 6751192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 491, 560, 784, 980, 982, 1120, 1568, 1960, 1964, 2455, 3437, 3920, 3928, 4910, 6874, 7840, 7856, 9820, 13748, 15712, 17185, 19640, 24059, 27496, 34370, 39280, 48118, 54992, 68740, 78560, 96236, 109984, 120295, 137480, 192472, 240590, 274960, 384944, 481180, 549920, 769888, 962360, 1924720, 3849440]

約数ペア:

[(1, 3849440), (2, 1924720), (4, 962360), (5, 769888), (7, 549920), (8, 481180), (10, 384944), (14, 274960), (16, 240590), (20, 192472), (28, 137480), (32, 120295), (35, 109984), (40, 96236), (49, 78560), (56, 68740), (70, 54992), (80, 48118), (98, 39280), (112, 34370), (140, 27496), (160, 24059), (196, 19640), (224, 17185), (245, 15712), (280, 13748), (392, 9820), (490, 7856), (491, 7840), (560, 6874), (784, 4910), (980, 3928), (982, 3920), (1120, 3437), (1568, 2455), (1960, 1964)]