7698880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 84

約数和(自身を含む): 21369528

約数和(自身を除く): 13670648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 491, 560, 784, 980, 982, 1120, 1568, 1960, 1964, 2240, 2455, 3136, 3437, 3920, 3928, 4910, 6874, 7840, 7856, 9820, 13748, 15680, 15712, 17185, 19640, 24059, 27496, 31424, 34370, 39280, 48118, 54992, 68740, 78560, 96236, 109984, 120295, 137480, 157120, 192472, 219968, 240590, 274960, 384944, 481180, 549920, 769888, 962360, 1099840, 1539776, 1924720, 3849440, 7698880]

約数ペア:

[(1, 7698880), (2, 3849440), (4, 1924720), (5, 1539776), (7, 1099840), (8, 962360), (10, 769888), (14, 549920), (16, 481180), (20, 384944), (28, 274960), (32, 240590), (35, 219968), (40, 192472), (49, 157120), (56, 137480), (64, 120295), (70, 109984), (80, 96236), (98, 78560), (112, 68740), (140, 54992), (160, 48118), (196, 39280), (224, 34370), (245, 31424), (280, 27496), (320, 24059), (392, 19640), (448, 17185), (490, 15712), (491, 15680), (560, 13748), (784, 9820), (980, 7856), (982, 7840), (1120, 6874), (1568, 4910), (1960, 3928), (1964, 3920), (2240, 3437), (2455, 3136)]