1780360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 2315000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 947, 1880, 1894, 3788, 4735, 7576, 9470, 18940, 37880, 44509, 89018, 178036, 222545, 356072, 445090, 890180, 1780360]

約数ペア:

[(1, 1780360), (2, 890180), (4, 445090), (5, 356072), (8, 222545), (10, 178036), (20, 89018), (40, 44509), (47, 37880), (94, 18940), (188, 9470), (235, 7576), (376, 4735), (470, 3788), (940, 1894), (947, 1880)]