137678420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{625811}}^1$

素因数の和:625831

約数の個数: 24

約数和(自身を含む): 315409248

約数和(自身を除く): 177730828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 625811, 1251622, 2503244, 3129055, 6258110, 6883921, 12516220, 13767842, 27535684, 34419605, 68839210, 137678420]

約数ペア:

[(1, 137678420), (2, 68839210), (4, 34419605), (5, 27535684), (10, 13767842), (11, 12516220), (20, 6883921), (22, 6258110), (44, 3129055), (55, 2503244), (110, 1251622), (220, 625811)]