289772320

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27031}}^1$

素因数の和:27113

約数の個数: 48

約数和(自身を含む): 694830528

約数和(自身を除く): 405058208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 27031, 54062, 108124, 135155, 216248, 270310, 432496, 540620, 864992, 1081240, 1811077, 2162480, 3622154, 4324960, 7244308, 9055385, 14488616, 18110770, 28977232, 36221540, 57954464, 72443080, 144886160, 289772320]

約数ペア:

[(1, 289772320), (2, 144886160), (4, 72443080), (5, 57954464), (8, 36221540), (10, 28977232), (16, 18110770), (20, 14488616), (32, 9055385), (40, 7244308), (67, 4324960), (80, 3622154), (134, 2162480), (160, 1811077), (268, 1081240), (335, 864992), (536, 540620), (670, 432496), (1072, 270310), (1340, 216248), (2144, 135155), (2680, 108124), (5360, 54062), (10720, 27031)]