2011460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 4741632

約数和(自身を除く): 2730172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 223, 410, 446, 451, 820, 892, 902, 1115, 1804, 2230, 2255, 2453, 4460, 4510, 4906, 9020, 9143, 9812, 12265, 18286, 24530, 36572, 45715, 49060, 91430, 100573, 182860, 201146, 402292, 502865, 1005730, 2011460]

約数ペア:

[(1, 2011460), (2, 1005730), (4, 502865), (5, 402292), (10, 201146), (11, 182860), (20, 100573), (22, 91430), (41, 49060), (44, 45715), (55, 36572), (82, 24530), (110, 18286), (164, 12265), (205, 9812), (220, 9143), (223, 9020), (410, 4906), (446, 4510), (451, 4460), (820, 2453), (892, 2255), (902, 2230), (1115, 1804)]