2889920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 56

約数和(自身を含む): 7516368

約数和(自身を除く): 4626448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 821, 880, 1642, 1760, 3284, 3520, 4105, 6568, 8210, 9031, 13136, 16420, 18062, 26272, 32840, 36124, 45155, 52544, 65680, 72248, 90310, 131360, 144496, 180620, 262720, 288992, 361240, 577984, 722480, 1444960, 2889920]

約数ペア:

[(1, 2889920), (2, 1444960), (4, 722480), (5, 577984), (8, 361240), (10, 288992), (11, 262720), (16, 180620), (20, 144496), (22, 131360), (32, 90310), (40, 72248), (44, 65680), (55, 52544), (64, 45155), (80, 36124), (88, 32840), (110, 26272), (160, 18062), (176, 16420), (220, 13136), (320, 9031), (352, 8210), (440, 6568), (704, 4105), (821, 3520), (880, 3284), (1642, 1760)]