1889140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 4483584

約数和(自身を除く): 2594444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 277, 310, 341, 554, 620, 682, 1108, 1364, 1385, 1705, 2770, 3047, 3410, 5540, 6094, 6820, 8587, 12188, 15235, 17174, 30470, 34348, 42935, 60940, 85870, 94457, 171740, 188914, 377828, 472285, 944570, 1889140]

約数ペア:

[(1, 1889140), (2, 944570), (4, 472285), (5, 377828), (10, 188914), (11, 171740), (20, 94457), (22, 85870), (31, 60940), (44, 42935), (55, 34348), (62, 30470), (110, 17174), (124, 15235), (155, 12188), (220, 8587), (277, 6820), (310, 6094), (341, 5540), (554, 3410), (620, 3047), (682, 2770), (1108, 1705), (1364, 1385)]