155705990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 319258368

約数和(自身を除く): 163552378

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 67, 74, 110, 134, 185, 335, 370, 407, 571, 670, 737, 814, 1142, 1474, 2035, 2479, 2855, 3685, 4070, 4958, 5710, 6281, 7370, 12395, 12562, 21127, 24790, 27269, 31405, 38257, 42254, 54538, 62810, 76514, 105635, 136345, 191285, 211270, 232397, 272690, 382570, 420827, 464794, 841654, 1161985, 1415509, 2104135, 2323970, 2831018, 4208270, 7077545, 14155090, 15570599, 31141198, 77852995, 155705990]

約数ペア:

[(1, 155705990), (2, 77852995), (5, 31141198), (10, 15570599), (11, 14155090), (22, 7077545), (37, 4208270), (55, 2831018), (67, 2323970), (74, 2104135), (110, 1415509), (134, 1161985), (185, 841654), (335, 464794), (370, 420827), (407, 382570), (571, 272690), (670, 232397), (737, 211270), (814, 191285), (1142, 136345), (1474, 105635), (2035, 76514), (2479, 62810), (2855, 54538), (3685, 42254), (4070, 38257), (4958, 31405), (5710, 27269), (6281, 24790), (7370, 21127), (12395, 12562)]