28470460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 33944900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 257, 290, 382, 514, 580, 764, 955, 1028, 1285, 1910, 2570, 3820, 5140, 5539, 7453, 11078, 14906, 22156, 27695, 29812, 37265, 49087, 55390, 74530, 98174, 110780, 149060, 196348, 245435, 490870, 981740, 1423523, 2847046, 5694092, 7117615, 14235230, 28470460]

約数ペア:

[(1, 28470460), (2, 14235230), (4, 7117615), (5, 5694092), (10, 2847046), (20, 1423523), (29, 981740), (58, 490870), (116, 245435), (145, 196348), (191, 149060), (257, 110780), (290, 98174), (382, 74530), (514, 55390), (580, 49087), (764, 37265), (955, 29812), (1028, 27695), (1285, 22156), (1910, 14906), (2570, 11078), (3820, 7453), (5140, 5539)]