164998960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{294641}}^1$

素因数の和:294661

約数の個数: 40

約数和(自身を含む): 438427296

約数和(自身を除く): 273428336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 294641, 589282, 1178564, 1473205, 2062487, 2357128, 2946410, 4124974, 4714256, 5892820, 8249948, 10312435, 11785640, 16499896, 20624870, 23571280, 32999792, 41249740, 82499480, 164998960]

約数ペア:

[(1, 164998960), (2, 82499480), (4, 41249740), (5, 32999792), (7, 23571280), (8, 20624870), (10, 16499896), (14, 11785640), (16, 10312435), (20, 8249948), (28, 5892820), (35, 4714256), (40, 4124974), (56, 2946410), (70, 2357128), (80, 2062487), (112, 1473205), (140, 1178564), (280, 589282), (560, 294641)]