278782060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{8839}}^1$

素因数の和:8950

約数の個数: 48

約数和(自身を含む): 623750400

約数和(自身を除く): 344968340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 8839, 15770, 17678, 31540, 35356, 44195, 88390, 167941, 176780, 335882, 671764, 733637, 839705, 1467274, 1679410, 2934548, 3358820, 3668185, 7336370, 13939103, 14672740, 27878206, 55756412, 69695515, 139391030, 278782060]

約数ペア:

[(1, 278782060), (2, 139391030), (4, 69695515), (5, 55756412), (10, 27878206), (19, 14672740), (20, 13939103), (38, 7336370), (76, 3668185), (83, 3358820), (95, 2934548), (166, 1679410), (190, 1467274), (332, 839705), (380, 733637), (415, 671764), (830, 335882), (1577, 176780), (1660, 167941), (3154, 88390), (6308, 44195), (7885, 35356), (8839, 31540), (15770, 17678)]