1780528060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{33889}}^1$

素因数の和:34006

約数の個数: 48

約数和(自身を含む): 3894367680

約数和(自身を除く): 2113839620

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 10508, 13135, 26270, 33889, 52540, 67778, 135556, 169445, 338890, 677780, 1253893, 2406119, 2507786, 4812238, 5015572, 6269465, 9624476, 12030595, 12538930, 24061190, 25077860, 48122380, 89026403, 178052806, 356105612, 445132015, 890264030, 1780528060]

約数ペア:

[(1, 1780528060), (2, 890264030), (4, 445132015), (5, 356105612), (10, 178052806), (20, 89026403), (37, 48122380), (71, 25077860), (74, 24061190), (142, 12538930), (148, 12030595), (185, 9624476), (284, 6269465), (355, 5015572), (370, 4812238), (710, 2507786), (740, 2406119), (1420, 1253893), (2627, 677780), (5254, 338890), (10508, 169445), (13135, 135556), (26270, 67778), (33889, 52540)]