7648780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 16773120

約数和(自身を除く): 9124340

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 103, 158, 188, 206, 235, 316, 395, 412, 470, 515, 790, 940, 1030, 1580, 2060, 3713, 4841, 7426, 8137, 9682, 14852, 16274, 18565, 19364, 24205, 32548, 37130, 40685, 48410, 74260, 81370, 96820, 162740, 382439, 764878, 1529756, 1912195, 3824390, 7648780]

約数ペア:

[(1, 7648780), (2, 3824390), (4, 1912195), (5, 1529756), (10, 764878), (20, 382439), (47, 162740), (79, 96820), (94, 81370), (103, 74260), (158, 48410), (188, 40685), (206, 37130), (235, 32548), (316, 24205), (395, 19364), (412, 18565), (470, 16274), (515, 14852), (790, 9682), (940, 8137), (1030, 7426), (1580, 4841), (2060, 3713)]