138859670

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 254788416

約数和(自身を除く): 115928746

約数列:

[1, 2, 5, 10, 71, 142, 257, 355, 514, 710, 761, 1285, 1522, 2570, 3805, 7610, 18247, 36494, 54031, 91235, 108062, 182470, 195577, 270155, 391154, 540310, 977885, 1955770, 13885967, 27771934, 69429835, 138859670]

約数ペア:

[(1, 138859670), (2, 69429835), (5, 27771934), (10, 13885967), (71, 1955770), (142, 977885), (257, 540310), (355, 391154), (514, 270155), (710, 195577), (761, 182470), (1285, 108062), (1522, 91235), (2570, 54031), (3805, 36494), (7610, 18247)]