214938640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20201}}^1$

素因数の和:20240

約数の個数: 80

約数和(自身を含む): 601211520

約数和(自身を除く): 386272880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 20201, 40402, 80804, 101005, 141407, 161608, 202010, 282814, 323216, 383819, 404020, 565628, 707035, 767638, 808040, 1131256, 1414070, 1535276, 1616080, 1919095, 2262512, 2686733, 2828140, 3070552, 3838190, 5373466, 5656280, 6141104, 7676380, 10746932, 11312560, 13433665, 15352760, 21493864, 26867330, 30705520, 42987728, 53734660, 107469320, 214938640]

約数ペア:

[(1, 214938640), (2, 107469320), (4, 53734660), (5, 42987728), (7, 30705520), (8, 26867330), (10, 21493864), (14, 15352760), (16, 13433665), (19, 11312560), (20, 10746932), (28, 7676380), (35, 6141104), (38, 5656280), (40, 5373466), (56, 3838190), (70, 3070552), (76, 2828140), (80, 2686733), (95, 2262512), (112, 1919095), (133, 1616080), (140, 1535276), (152, 1414070), (190, 1131256), (266, 808040), (280, 767638), (304, 707035), (380, 565628), (532, 404020), (560, 383819), (665, 323216), (760, 282814), (1064, 202010), (1330, 161608), (1520, 141407), (2128, 101005), (2660, 80804), (5320, 40402), (10640, 20201)]