28354270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21319}}^1$

素因数の和:21352

約数の個数: 32

約数和(自身を含む): 61401600

約数和(自身を除く): 33047330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21319, 42638, 106595, 149233, 213190, 298466, 405061, 746165, 810122, 1492330, 2025305, 2835427, 4050610, 5670854, 14177135, 28354270]

約数ペア:

[(1, 28354270), (2, 14177135), (5, 5670854), (7, 4050610), (10, 2835427), (14, 2025305), (19, 1492330), (35, 810122), (38, 746165), (70, 405061), (95, 298466), (133, 213190), (190, 149233), (266, 106595), (665, 42638), (1330, 21319)]