538144420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21647}}^1$

素因数の和:21780

約数の個数: 48

約数和(自身を含む): 1243807488

約数和(自身を除く): 705663068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 21647, 24860, 43294, 86588, 108235, 216470, 238117, 432940, 476234, 952468, 1190585, 2381170, 2446111, 4762340, 4892222, 9784444, 12230555, 24461110, 26907221, 48922220, 53814442, 107628884, 134536105, 269072210, 538144420]

約数ペア:

[(1, 538144420), (2, 269072210), (4, 134536105), (5, 107628884), (10, 53814442), (11, 48922220), (20, 26907221), (22, 24461110), (44, 12230555), (55, 9784444), (110, 4892222), (113, 4762340), (220, 2446111), (226, 2381170), (452, 1190585), (565, 952468), (1130, 476234), (1243, 432940), (2260, 238117), (2486, 216470), (4972, 108235), (6215, 86588), (12430, 43294), (21647, 24860)]