13840550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 28725840

約数和(自身を除く): 14885290

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 857, 950, 1615, 1714, 3230, 4285, 8075, 8570, 14569, 16150, 16283, 21425, 29138, 32566, 42850, 72845, 81415, 145690, 162830, 276811, 364225, 407075, 553622, 728450, 814150, 1384055, 2768110, 6920275, 13840550]

約数ペア:

[(1, 13840550), (2, 6920275), (5, 2768110), (10, 1384055), (17, 814150), (19, 728450), (25, 553622), (34, 407075), (38, 364225), (50, 276811), (85, 162830), (95, 145690), (170, 81415), (190, 72845), (323, 42850), (425, 32566), (475, 29138), (646, 21425), (850, 16283), (857, 16150), (950, 14569), (1615, 8570), (1714, 8075), (3230, 4285)]