2019120880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{189767}}^1$

素因数の和:189806

約数の個数: 80

約数和(自身を含む): 5647495680

約数和(自身を除く): 3628374800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 189767, 379534, 759068, 948835, 1328369, 1518136, 1897670, 2656738, 3036272, 3605573, 3795340, 5313476, 6641845, 7211146, 7590680, 10626952, 13283690, 14422292, 15181360, 18027865, 21253904, 25239011, 26567380, 28844584, 36055730, 50478022, 53134760, 57689168, 72111460, 100956044, 106269520, 126195055, 144222920, 201912088, 252390110, 288445840, 403824176, 504780220, 1009560440, 2019120880]

約数ペア:

[(1, 2019120880), (2, 1009560440), (4, 504780220), (5, 403824176), (7, 288445840), (8, 252390110), (10, 201912088), (14, 144222920), (16, 126195055), (19, 106269520), (20, 100956044), (28, 72111460), (35, 57689168), (38, 53134760), (40, 50478022), (56, 36055730), (70, 28844584), (76, 26567380), (80, 25239011), (95, 21253904), (112, 18027865), (133, 15181360), (140, 14422292), (152, 13283690), (190, 10626952), (266, 7590680), (280, 7211146), (304, 6641845), (380, 5313476), (532, 3795340), (560, 3605573), (665, 3036272), (760, 2656738), (1064, 1897670), (1330, 1518136), (1520, 1328369), (2128, 948835), (2660, 759068), (5320, 379534), (10640, 189767)]