69161960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{247007}}^1$

素因数の和:247025

約数の個数: 32

約数和(自身を含む): 177845760

約数和(自身を除く): 108683800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 247007, 494014, 988028, 1235035, 1729049, 1976056, 2470070, 3458098, 4940140, 6916196, 8645245, 9880280, 13832392, 17290490, 34580980, 69161960]

約数ペア:

[(1, 69161960), (2, 34580980), (4, 17290490), (5, 13832392), (7, 9880280), (8, 8645245), (10, 6916196), (14, 4940140), (20, 3458098), (28, 2470070), (35, 1976056), (40, 1729049), (56, 1235035), (70, 988028), (140, 494014), (280, 247007)]