17926700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 43538880

約数和(自身を除く): 25612180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 379, 430, 473, 550, 758, 860, 946, 1075, 1100, 1516, 1892, 1895, 2150, 2365, 3790, 4169, 4300, 4730, 7580, 8338, 9460, 9475, 11825, 16297, 16676, 18950, 20845, 23650, 32594, 37900, 41690, 47300, 65188, 81485, 83380, 104225, 162970, 179267, 208450, 325940, 358534, 407425, 416900, 717068, 814850, 896335, 1629700, 1792670, 3585340, 4481675, 8963350, 17926700]

約数ペア:

[(1, 17926700), (2, 8963350), (4, 4481675), (5, 3585340), (10, 1792670), (11, 1629700), (20, 896335), (22, 814850), (25, 717068), (43, 416900), (44, 407425), (50, 358534), (55, 325940), (86, 208450), (100, 179267), (110, 162970), (172, 104225), (215, 83380), (220, 81485), (275, 65188), (379, 47300), (430, 41690), (473, 37900), (550, 32594), (758, 23650), (860, 20845), (946, 18950), (1075, 16676), (1100, 16297), (1516, 11825), (1892, 9475), (1895, 9460), (2150, 8338), (2365, 7580), (3790, 4730), (4169, 4300)]