3080140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{449}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 7560000

約数和(自身を除く): 4479860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 449, 490, 686, 898, 980, 1372, 1715, 1796, 2245, 3143, 3430, 4490, 6286, 6860, 8980, 12572, 15715, 22001, 31430, 44002, 62860, 88004, 110005, 154007, 220010, 308014, 440020, 616028, 770035, 1540070, 3080140]

約数ペア:

[(1, 3080140), (2, 1540070), (4, 770035), (5, 616028), (7, 440020), (10, 308014), (14, 220010), (20, 154007), (28, 110005), (35, 88004), (49, 62860), (70, 44002), (98, 31430), (140, 22001), (196, 15715), (245, 12572), (343, 8980), (449, 6860), (490, 6286), (686, 4490), (898, 3430), (980, 3143), (1372, 2245), (1715, 1796)]