55870780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 139503168

約数和(自身を除く): 83632388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1213, 1316, 1645, 2303, 2426, 3290, 4606, 4852, 6065, 6580, 8491, 9212, 11515, 12130, 16982, 23030, 24260, 33964, 42455, 46060, 57011, 59437, 84910, 114022, 118874, 169820, 228044, 237748, 285055, 297185, 399077, 570110, 594370, 798154, 1140220, 1188740, 1596308, 1995385, 2793539, 3990770, 5587078, 7981540, 11174156, 13967695, 27935390, 55870780]

約数ペア:

[(1, 55870780), (2, 27935390), (4, 13967695), (5, 11174156), (7, 7981540), (10, 5587078), (14, 3990770), (20, 2793539), (28, 1995385), (35, 1596308), (47, 1188740), (49, 1140220), (70, 798154), (94, 594370), (98, 570110), (140, 399077), (188, 297185), (196, 285055), (235, 237748), (245, 228044), (329, 169820), (470, 118874), (490, 114022), (658, 84910), (940, 59437), (980, 57011), (1213, 46060), (1316, 42455), (1645, 33964), (2303, 24260), (2426, 23030), (3290, 16982), (4606, 12130), (4852, 11515), (6065, 9212), (6580, 8491)]