393428970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2220

約数の個数: 96

約数和(自身を含む): 1122076800

約数和(自身を除く): 728647830

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 199, 330, 398, 495, 597, 990, 995, 1194, 1791, 1990, 1997, 2189, 2985, 3582, 3994, 4378, 5970, 5991, 6567, 8955, 9985, 10945, 11982, 13134, 17910, 17973, 19701, 19970, 21890, 21967, 29955, 32835, 35946, 39402, 43934, 59910, 65670, 65901, 89865, 98505, 109835, 131802, 179730, 197010, 197703, 219670, 329505, 395406, 397403, 659010, 794806, 988515, 1192209, 1977030, 1987015, 2384418, 3576627, 3974030, 4371433, 5961045, 7153254, 8742866, 11922090, 13114299, 17883135, 21857165, 26228598, 35766270, 39342897, 43714330, 65571495, 78685794, 131142990, 196714485, 393428970]

約数ペア:

[(1, 393428970), (2, 196714485), (3, 131142990), (5, 78685794), (6, 65571495), (9, 43714330), (10, 39342897), (11, 35766270), (15, 26228598), (18, 21857165), (22, 17883135), (30, 13114299), (33, 11922090), (45, 8742866), (55, 7153254), (66, 5961045), (90, 4371433), (99, 3974030), (110, 3576627), (165, 2384418), (198, 1987015), (199, 1977030), (330, 1192209), (398, 988515), (495, 794806), (597, 659010), (990, 397403), (995, 395406), (1194, 329505), (1791, 219670), (1990, 197703), (1997, 197010), (2189, 179730), (2985, 131802), (3582, 109835), (3994, 98505), (4378, 89865), (5970, 65901), (5991, 65670), (6567, 59910), (8955, 43934), (9985, 39402), (10945, 35946), (11982, 32835), (13134, 29955), (17910, 21967), (17973, 21890), (19701, 19970)]