347831420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 742700448

約数和(自身を除く): 394869028

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 317, 332, 415, 634, 661, 830, 1268, 1322, 1585, 1660, 2644, 3170, 3305, 6340, 6610, 13220, 26311, 52622, 54863, 105244, 109726, 131555, 209537, 219452, 263110, 274315, 419074, 526220, 548630, 838148, 1047685, 1097260, 2095370, 4190740, 17391571, 34783142, 69566284, 86957855, 173915710, 347831420]

約数ペア:

[(1, 347831420), (2, 173915710), (4, 86957855), (5, 69566284), (10, 34783142), (20, 17391571), (83, 4190740), (166, 2095370), (317, 1097260), (332, 1047685), (415, 838148), (634, 548630), (661, 526220), (830, 419074), (1268, 274315), (1322, 263110), (1585, 219452), (1660, 209537), (2644, 131555), (3170, 109726), (3305, 105244), (6340, 54863), (6610, 52622), (13220, 26311)]