168493880

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13721}}^1$

素因数の和:14039

約数の個数: 32

約数和(自身を含む): 380373840

約数和(自身を除く): 211879960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 13721, 27442, 54884, 68605, 109768, 137210, 274420, 548840, 4212347, 8424694, 16849388, 21061735, 33698776, 42123470, 84246940, 168493880]

約数ペア:

[(1, 168493880), (2, 84246940), (4, 42123470), (5, 33698776), (8, 21061735), (10, 16849388), (20, 8424694), (40, 4212347), (307, 548840), (614, 274420), (1228, 137210), (1535, 109768), (2456, 68605), (3070, 54884), (6140, 27442), (12280, 13721)]