219703280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27191}}^1$

素因数の和:27305

約数の個数: 40

約数和(自身を含む): 515886624

約数和(自身を除く): 296183344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 27191, 54382, 108764, 135955, 217528, 271910, 435056, 543820, 1087640, 2175280, 2746291, 5492582, 10985164, 13731455, 21970328, 27462910, 43940656, 54925820, 109851640, 219703280]

約数ペア:

[(1, 219703280), (2, 109851640), (4, 54925820), (5, 43940656), (8, 27462910), (10, 21970328), (16, 13731455), (20, 10985164), (40, 5492582), (80, 2746291), (101, 2175280), (202, 1087640), (404, 543820), (505, 435056), (808, 271910), (1010, 217528), (1616, 135955), (2020, 108764), (4040, 54382), (8080, 27191)]