211069640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 489888000

約数和(自身を除く): 278818360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 179, 205, 328, 358, 410, 716, 719, 820, 895, 1432, 1438, 1640, 1790, 2876, 3580, 3595, 5752, 7160, 7190, 7339, 14380, 14678, 28760, 29356, 29479, 36695, 58712, 58958, 73390, 117916, 128701, 146780, 147395, 235832, 257402, 293560, 294790, 514804, 589580, 643505, 1029608, 1179160, 1287010, 2574020, 5148040, 5276741, 10553482, 21106964, 26383705, 42213928, 52767410, 105534820, 211069640]

約数ペア:

[(1, 211069640), (2, 105534820), (4, 52767410), (5, 42213928), (8, 26383705), (10, 21106964), (20, 10553482), (40, 5276741), (41, 5148040), (82, 2574020), (164, 1287010), (179, 1179160), (205, 1029608), (328, 643505), (358, 589580), (410, 514804), (716, 294790), (719, 293560), (820, 257402), (895, 235832), (1432, 147395), (1438, 146780), (1640, 128701), (1790, 117916), (2876, 73390), (3580, 58958), (3595, 58712), (5752, 36695), (7160, 29479), (7190, 29356), (7339, 28760), (14380, 14678)]