170229920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21713}}^1$

素因数の和:21742

約数の個数: 72

約数和(自身を含む): 467849844

約数和(自身を除く): 297619924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21713, 43426, 86852, 108565, 151991, 173704, 217130, 303982, 347408, 434260, 607964, 694816, 759955, 868520, 1063937, 1215928, 1519910, 1737040, 2127874, 2431856, 3039820, 3474080, 4255748, 4863712, 5319685, 6079640, 8511496, 10639370, 12159280, 17022992, 21278740, 24318560, 34045984, 42557480, 85114960, 170229920]

約数ペア:

[(1, 170229920), (2, 85114960), (4, 42557480), (5, 34045984), (7, 24318560), (8, 21278740), (10, 17022992), (14, 12159280), (16, 10639370), (20, 8511496), (28, 6079640), (32, 5319685), (35, 4863712), (40, 4255748), (49, 3474080), (56, 3039820), (70, 2431856), (80, 2127874), (98, 1737040), (112, 1519910), (140, 1215928), (160, 1063937), (196, 868520), (224, 759955), (245, 694816), (280, 607964), (392, 434260), (490, 347408), (560, 303982), (784, 217130), (980, 173704), (1120, 151991), (1568, 108565), (1960, 86852), (3920, 43426), (7840, 21713)]