28877530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 61326720

約数和(自身を除く): 32449190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 41, 55, 82, 95, 110, 190, 205, 209, 337, 410, 418, 451, 674, 779, 902, 1045, 1558, 1685, 2090, 2255, 3370, 3707, 3895, 4510, 6403, 7414, 7790, 8569, 12806, 13817, 17138, 18535, 27634, 32015, 37070, 42845, 64030, 69085, 70433, 85690, 138170, 140866, 151987, 262523, 303974, 352165, 525046, 704330, 759935, 1312615, 1519870, 2625230, 2887753, 5775506, 14438765, 28877530]

約数ペア:

[(1, 28877530), (2, 14438765), (5, 5775506), (10, 2887753), (11, 2625230), (19, 1519870), (22, 1312615), (38, 759935), (41, 704330), (55, 525046), (82, 352165), (95, 303974), (110, 262523), (190, 151987), (205, 140866), (209, 138170), (337, 85690), (410, 70433), (418, 69085), (451, 64030), (674, 42845), (779, 37070), (902, 32015), (1045, 27634), (1558, 18535), (1685, 17138), (2090, 13817), (2255, 12806), (3370, 8569), (3707, 7790), (3895, 7414), (4510, 6403)]