197376640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4603}}^1$

素因数の和:4689

約数の個数: 64

約数和(自身を含む): 479000160

約数和(自身を除く): 281623520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4288, 4603, 5360, 8576, 9206, 10720, 18412, 21440, 23015, 36824, 42880, 46030, 73648, 92060, 147296, 184120, 294592, 308401, 368240, 589184, 616802, 736480, 1233604, 1472960, 1542005, 2467208, 2945920, 3084010, 4934416, 6168020, 9868832, 12336040, 19737664, 24672080, 39475328, 49344160, 98688320, 197376640]

約数ペア:

[(1, 197376640), (2, 98688320), (4, 49344160), (5, 39475328), (8, 24672080), (10, 19737664), (16, 12336040), (20, 9868832), (32, 6168020), (40, 4934416), (64, 3084010), (67, 2945920), (80, 2467208), (128, 1542005), (134, 1472960), (160, 1233604), (268, 736480), (320, 616802), (335, 589184), (536, 368240), (640, 308401), (670, 294592), (1072, 184120), (1340, 147296), (2144, 92060), (2680, 73648), (4288, 46030), (4603, 42880), (5360, 36824), (8576, 23015), (9206, 21440), (10720, 18412)]