207850280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2081}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 512671680

約数和(自身を除く): 304821400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1816, 2081, 2270, 2497, 4162, 4540, 4994, 8324, 9080, 9988, 10405, 12485, 16648, 19976, 20810, 22891, 24970, 41620, 45782, 49940, 83240, 91564, 99880, 114455, 183128, 228910, 457820, 472387, 915640, 944774, 1889548, 2361935, 3779096, 4723870, 5196257, 9447740, 10392514, 18895480, 20785028, 25981285, 41570056, 51962570, 103925140, 207850280]

約数ペア:

[(1, 207850280), (2, 103925140), (4, 51962570), (5, 41570056), (8, 25981285), (10, 20785028), (11, 18895480), (20, 10392514), (22, 9447740), (40, 5196257), (44, 4723870), (55, 3779096), (88, 2361935), (110, 1889548), (220, 944774), (227, 915640), (440, 472387), (454, 457820), (908, 228910), (1135, 183128), (1816, 114455), (2081, 99880), (2270, 91564), (2497, 83240), (4162, 49940), (4540, 45782), (4994, 41620), (8324, 24970), (9080, 22891), (9988, 20810), (10405, 19976), (12485, 16648)]