201731840

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 486537408

約数和(自身を除く): 284805568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 911, 1280, 1384, 1730, 1822, 2768, 3460, 3644, 4555, 5536, 6920, 7288, 9110, 11072, 13840, 14576, 18220, 22144, 27680, 29152, 36440, 44288, 55360, 58304, 72880, 110720, 116608, 145760, 157603, 221440, 233216, 291520, 315206, 583040, 630412, 788015, 1166080, 1260824, 1576030, 2521648, 3152060, 5043296, 6304120, 10086592, 12608240, 20173184, 25216480, 40346368, 50432960, 100865920, 201731840]

約数ペア:

[(1, 201731840), (2, 100865920), (4, 50432960), (5, 40346368), (8, 25216480), (10, 20173184), (16, 12608240), (20, 10086592), (32, 6304120), (40, 5043296), (64, 3152060), (80, 2521648), (128, 1576030), (160, 1260824), (173, 1166080), (256, 788015), (320, 630412), (346, 583040), (640, 315206), (692, 291520), (865, 233216), (911, 221440), (1280, 157603), (1384, 145760), (1730, 116608), (1822, 110720), (2768, 72880), (3460, 58304), (3644, 55360), (4555, 44288), (5536, 36440), (6920, 29152), (7288, 27680), (9110, 22144), (11072, 18220), (13840, 14576)]