201457520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228929}}^1$

素因数の和:228953

約数の個数: 40

約数和(自身を含む): 510971760

約数和(自身を除く): 309514240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228929, 457858, 915716, 1144645, 1831432, 2289290, 2518219, 3662864, 4578580, 5036438, 9157160, 10072876, 12591095, 18314320, 20145752, 25182190, 40291504, 50364380, 100728760, 201457520]

約数ペア:

[(1, 201457520), (2, 100728760), (4, 50364380), (5, 40291504), (8, 25182190), (10, 20145752), (11, 18314320), (16, 12591095), (20, 10072876), (22, 9157160), (40, 5036438), (44, 4578580), (55, 3662864), (80, 2518219), (88, 2289290), (110, 1831432), (176, 1144645), (220, 915716), (440, 457858), (880, 228929)]