169000240

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12211}}^1$

素因数の和:12397

約数の個数: 40

約数和(自身を含む): 395229168

約数和(自身を除く): 226228928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 12211, 13840, 24422, 48844, 61055, 97688, 122110, 195376, 244220, 488440, 976880, 2112503, 4225006, 8450012, 10562515, 16900024, 21125030, 33800048, 42250060, 84500120, 169000240]

約数ペア:

[(1, 169000240), (2, 84500120), (4, 42250060), (5, 33800048), (8, 21125030), (10, 16900024), (16, 10562515), (20, 8450012), (40, 4225006), (80, 2112503), (173, 976880), (346, 488440), (692, 244220), (865, 195376), (1384, 122110), (1730, 97688), (2768, 61055), (3460, 48844), (6920, 24422), (12211, 13840)]