2485280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{317}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 6851628

約数和(自身を除く): 4366348

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, 317, 392, 490, 560, 634, 784, 980, 1120, 1268, 1568, 1585, 1960, 2219, 2536, 3170, 3920, 4438, 5072, 6340, 7840, 8876, 10144, 11095, 12680, 15533, 17752, 22190, 25360, 31066, 35504, 44380, 50720, 62132, 71008, 77665, 88760, 124264, 155330, 177520, 248528, 310660, 355040, 497056, 621320, 1242640, 2485280]

約数ペア:

[(1, 2485280), (2, 1242640), (4, 621320), (5, 497056), (7, 355040), (8, 310660), (10, 248528), (14, 177520), (16, 155330), (20, 124264), (28, 88760), (32, 77665), (35, 71008), (40, 62132), (49, 50720), (56, 44380), (70, 35504), (80, 31066), (98, 25360), (112, 22190), (140, 17752), (160, 15533), (196, 12680), (224, 11095), (245, 10144), (280, 8876), (317, 7840), (392, 6340), (490, 5072), (560, 4438), (634, 3920), (784, 3170), (980, 2536), (1120, 2219), (1268, 1960), (1568, 1585)]