294729520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2834

約数の個数: 80

約数和(自身を含む): 731738880

約数和(自身を除く): 437009360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1520, 2698, 2731, 2840, 5396, 5462, 5680, 6745, 10792, 10924, 13490, 13655, 21584, 21848, 26980, 27310, 43696, 51889, 53960, 54620, 103778, 107920, 109240, 193901, 207556, 218480, 259445, 387802, 415112, 518890, 775604, 830224, 969505, 1037780, 1551208, 1939010, 2075560, 3102416, 3684119, 3878020, 4151120, 7368238, 7756040, 14736476, 15512080, 18420595, 29472952, 36841190, 58945904, 73682380, 147364760, 294729520]

約数ペア:

[(1, 294729520), (2, 147364760), (4, 73682380), (5, 58945904), (8, 36841190), (10, 29472952), (16, 18420595), (19, 15512080), (20, 14736476), (38, 7756040), (40, 7368238), (71, 4151120), (76, 3878020), (80, 3684119), (95, 3102416), (142, 2075560), (152, 1939010), (190, 1551208), (284, 1037780), (304, 969505), (355, 830224), (380, 775604), (568, 518890), (710, 415112), (760, 387802), (1136, 259445), (1349, 218480), (1420, 207556), (1520, 193901), (2698, 109240), (2731, 107920), (2840, 103778), (5396, 54620), (5462, 53960), (5680, 51889), (6745, 43696), (10792, 27310), (10924, 26980), (13490, 21848), (13655, 21584)]