129836980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71339}}^1$

素因数の和:71368

約数の個数: 48

約数和(自身を含む): 335583360

約数和(自身を除く): 205746380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 71339, 142678, 285356, 356695, 499373, 713390, 927407, 998746, 1426780, 1854814, 1997492, 2496865, 3709628, 4637035, 4993730, 6491849, 9274070, 9987460, 12983698, 18548140, 25967396, 32459245, 64918490, 129836980]

約数ペア:

[(1, 129836980), (2, 64918490), (4, 32459245), (5, 25967396), (7, 18548140), (10, 12983698), (13, 9987460), (14, 9274070), (20, 6491849), (26, 4993730), (28, 4637035), (35, 3709628), (52, 2496865), (65, 1997492), (70, 1854814), (91, 1426780), (130, 998746), (140, 927407), (182, 713390), (260, 499373), (364, 356695), (455, 285356), (910, 142678), (1820, 71339)]