2779280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{709}}^1$

素因数の和:736

約数の個数: 60

約数和(自身を含む): 7527420

約数和(自身を除く): 4748140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 709, 784, 980, 1418, 1960, 2836, 3545, 3920, 4963, 5672, 7090, 9926, 11344, 14180, 19852, 24815, 28360, 34741, 39704, 49630, 56720, 69482, 79408, 99260, 138964, 173705, 198520, 277928, 347410, 397040, 555856, 694820, 1389640, 2779280]

約数ペア:

[(1, 2779280), (2, 1389640), (4, 694820), (5, 555856), (7, 397040), (8, 347410), (10, 277928), (14, 198520), (16, 173705), (20, 138964), (28, 99260), (35, 79408), (40, 69482), (49, 56720), (56, 49630), (70, 39704), (80, 34741), (98, 28360), (112, 24815), (140, 19852), (196, 14180), (245, 11344), (280, 9926), (392, 7090), (490, 5672), (560, 4963), (709, 3920), (784, 3545), (980, 2836), (1418, 1960)]