204817870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19751}}^1$

素因数の和:19836

約数の個数: 32

約数和(自身を含む): 396778176

約数和(自身を除く): 191960306

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 19751, 39502, 98755, 197510, 335767, 671534, 1204811, 1678835, 2409622, 3357670, 6024055, 12048110, 20481787, 40963574, 102408935, 204817870]

約数ペア:

[(1, 204817870), (2, 102408935), (5, 40963574), (10, 20481787), (17, 12048110), (34, 6024055), (61, 3357670), (85, 2409622), (122, 1678835), (170, 1204811), (305, 671534), (610, 335767), (1037, 197510), (2074, 98755), (5185, 39502), (10370, 19751)]