129481880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{294277}}^1$

素因数の和:294299

約数の個数: 32

約数和(自身を含む): 317820240

約数和(自身を除く): 188338360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 294277, 588554, 1177108, 1471385, 2354216, 2942770, 3237047, 5885540, 6474094, 11771080, 12948188, 16185235, 25896376, 32370470, 64740940, 129481880]

約数ペア:

[(1, 129481880), (2, 64740940), (4, 32370470), (5, 25896376), (8, 16185235), (10, 12948188), (11, 11771080), (20, 6474094), (22, 5885540), (40, 3237047), (44, 2942770), (55, 2354216), (88, 1471385), (110, 1177108), (220, 588554), (440, 294277)]