211533520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{240379}}^1$

素因数の和:240403

約数の個数: 40

約数和(自身を含む): 536528160

約数和(自身を除く): 324994640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 240379, 480758, 961516, 1201895, 1923032, 2403790, 2644169, 3846064, 4807580, 5288338, 9615160, 10576676, 13220845, 19230320, 21153352, 26441690, 42306704, 52883380, 105766760, 211533520]

約数ペア:

[(1, 211533520), (2, 105766760), (4, 52883380), (5, 42306704), (8, 26441690), (10, 21153352), (11, 19230320), (16, 13220845), (20, 10576676), (22, 9615160), (40, 5288338), (44, 4807580), (55, 3846064), (80, 2644169), (88, 2403790), (110, 1923032), (176, 1201895), (220, 961516), (440, 480758), (880, 240379)]