7812860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 11147620

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2089, 3740, 4178, 8356, 10445, 20890, 22979, 35513, 41780, 45958, 71026, 91916, 114895, 142052, 177565, 229790, 355130, 390643, 459580, 710260, 781286, 1562572, 1953215, 3906430, 7812860]

約数ペア:

[(1, 7812860), (2, 3906430), (4, 1953215), (5, 1562572), (10, 781286), (11, 710260), (17, 459580), (20, 390643), (22, 355130), (34, 229790), (44, 177565), (55, 142052), (68, 114895), (85, 91916), (110, 71026), (170, 45958), (187, 41780), (220, 35513), (340, 22979), (374, 20890), (748, 10445), (935, 8356), (1870, 4178), (2089, 3740)]