268752040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 617880960

約数和(自身を除く): 349128920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 346, 355, 547, 568, 692, 710, 865, 1094, 1384, 1420, 1730, 2188, 2735, 2840, 3460, 4376, 5470, 6920, 10940, 12283, 21880, 24566, 38837, 49132, 61415, 77674, 94631, 98264, 122830, 155348, 189262, 194185, 245660, 310696, 378524, 388370, 473155, 491320, 757048, 776740, 946310, 1553480, 1892620, 3785240, 6718801, 13437602, 26875204, 33594005, 53750408, 67188010, 134376020, 268752040]

約数ペア:

[(1, 268752040), (2, 134376020), (4, 67188010), (5, 53750408), (8, 33594005), (10, 26875204), (20, 13437602), (40, 6718801), (71, 3785240), (142, 1892620), (173, 1553480), (284, 946310), (346, 776740), (355, 757048), (547, 491320), (568, 473155), (692, 388370), (710, 378524), (865, 310696), (1094, 245660), (1384, 194185), (1420, 189262), (1730, 155348), (2188, 122830), (2735, 98264), (2840, 94631), (3460, 77674), (4376, 61415), (5470, 49132), (6920, 38837), (10940, 24566), (12283, 21880)]