2065690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 4121280

約数和(自身を除く): 2055590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 211, 422, 445, 890, 979, 1055, 1958, 2110, 2321, 4642, 4895, 9790, 11605, 18779, 23210, 37558, 93895, 187790, 206569, 413138, 1032845, 2065690]

約数ペア:

[(1, 2065690), (2, 1032845), (5, 413138), (10, 206569), (11, 187790), (22, 93895), (55, 37558), (89, 23210), (110, 18779), (178, 11605), (211, 9790), (422, 4895), (445, 4642), (890, 2321), (979, 2110), (1055, 1958)]