171400520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225527}}^1$

素因数の和:225557

約数の個数: 32

約数和(自身を含む): 405950400

約数和(自身を除く): 234549880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 225527, 451054, 902108, 1127635, 1804216, 2255270, 4285013, 4510540, 8570026, 9021080, 17140052, 21425065, 34280104, 42850130, 85700260, 171400520]

約数ペア:

[(1, 171400520), (2, 85700260), (4, 42850130), (5, 34280104), (8, 21425065), (10, 17140052), (19, 9021080), (20, 8570026), (38, 4510540), (40, 4285013), (76, 2255270), (95, 1804216), (152, 1127635), (190, 902108), (380, 451054), (760, 225527)]