4399890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 11750400

約数和(自身を除く): 7350510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 199, 201, 330, 335, 398, 402, 597, 670, 737, 995, 1005, 1194, 1474, 1990, 2010, 2189, 2211, 2985, 3685, 4378, 4422, 5970, 6567, 7370, 10945, 11055, 13134, 13333, 21890, 22110, 26666, 32835, 39999, 65670, 66665, 79998, 133330, 146663, 199995, 293326, 399990, 439989, 733315, 879978, 1466630, 2199945, 4399890]

約数ペア:

[(1, 4399890), (2, 2199945), (3, 1466630), (5, 879978), (6, 733315), (10, 439989), (11, 399990), (15, 293326), (22, 199995), (30, 146663), (33, 133330), (55, 79998), (66, 66665), (67, 65670), (110, 39999), (134, 32835), (165, 26666), (199, 22110), (201, 21890), (330, 13333), (335, 13134), (398, 11055), (402, 10945), (597, 7370), (670, 6567), (737, 5970), (995, 4422), (1005, 4378), (1194, 3685), (1474, 2985), (1990, 2211), (2010, 2189)]