172340920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{11551}}^1$

素因数の和:11935

約数の個数: 32

約数和(自身を含む): 388840320

約数和(自身を除く): 216499400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 11551, 14920, 23102, 46204, 57755, 92408, 115510, 231020, 462040, 4308523, 8617046, 17234092, 21542615, 34468184, 43085230, 86170460, 172340920]

約数ペア:

[(1, 172340920), (2, 86170460), (4, 43085230), (5, 34468184), (8, 21542615), (10, 17234092), (20, 8617046), (40, 4308523), (373, 462040), (746, 231020), (1492, 115510), (1865, 92408), (2984, 57755), (3730, 46204), (7460, 23102), (11551, 14920)]