2889590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 5749920

約数和(自身を除く): 2860330

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 241, 482, 545, 1090, 1199, 1205, 2398, 2410, 2651, 5302, 5995, 11990, 13255, 26269, 26510, 52538, 131345, 262690, 288959, 577918, 1444795, 2889590]

約数ペア:

[(1, 2889590), (2, 1444795), (5, 577918), (10, 288959), (11, 262690), (22, 131345), (55, 52538), (109, 26510), (110, 26269), (218, 13255), (241, 11990), (482, 5995), (545, 5302), (1090, 2651), (1199, 2410), (1205, 2398)]