2699690180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{395849}}^1$

素因数の和:395900

約数の個数: 48

約数和(自身を含む): 6384268800

約数和(自身を除く): 3684578620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 395849, 791698, 1583396, 1979245, 3958490, 4354339, 7916980, 8708678, 12271319, 17417356, 21771695, 24542638, 43543390, 49085276, 61356595, 87086780, 122713190, 134984509, 245426380, 269969018, 539938036, 674922545, 1349845090, 2699690180]

約数ペア:

[(1, 2699690180), (2, 1349845090), (4, 674922545), (5, 539938036), (10, 269969018), (11, 245426380), (20, 134984509), (22, 122713190), (31, 87086780), (44, 61356595), (55, 49085276), (62, 43543390), (110, 24542638), (124, 21771695), (155, 17417356), (220, 12271319), (310, 8708678), (341, 7916980), (620, 4354339), (682, 3958490), (1364, 1979245), (1705, 1583396), (3410, 791698), (6820, 395849)]