343326920

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{8609}}^1$

素因数の和:9617

約数の個数: 32

約数和(自身を含む): 773350200

約数和(自身を除く): 430023280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 8609, 9970, 17218, 19940, 34436, 39880, 43045, 68872, 86090, 172180, 344360, 8583173, 17166346, 34332692, 42915865, 68665384, 85831730, 171663460, 343326920]

約数ペア:

[(1, 343326920), (2, 171663460), (4, 85831730), (5, 68665384), (8, 42915865), (10, 34332692), (20, 17166346), (40, 8583173), (997, 344360), (1994, 172180), (3988, 86090), (4985, 68872), (7976, 43045), (8609, 39880), (9970, 34436), (17218, 19940)]