205756430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21017}}^1$

素因数の和:21124

約数の個数: 32

約数和(自身を含む): 408589920

約数和(自身を除く): 202833490

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 21017, 42034, 105085, 210170, 231187, 462374, 1155935, 1870513, 2311870, 3741026, 9352565, 18705130, 20575643, 41151286, 102878215, 205756430]

約数ペア:

[(1, 205756430), (2, 102878215), (5, 41151286), (10, 20575643), (11, 18705130), (22, 9352565), (55, 3741026), (89, 2311870), (110, 1870513), (178, 1155935), (445, 462374), (890, 231187), (979, 210170), (1958, 105085), (4895, 42034), (9790, 21017)]