254429140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{106903}}^1$

素因数の和:106936

約数の個数: 48

約数和(自身を含む): 646555392

約数和(自身を除く): 392126252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 106903, 213806, 427612, 534515, 748321, 1069030, 1496642, 1817351, 2138060, 2993284, 3634702, 3741605, 7269404, 7483210, 9086755, 12721457, 14966420, 18173510, 25442914, 36347020, 50885828, 63607285, 127214570, 254429140]

約数ペア:

[(1, 254429140), (2, 127214570), (4, 63607285), (5, 50885828), (7, 36347020), (10, 25442914), (14, 18173510), (17, 14966420), (20, 12721457), (28, 9086755), (34, 7483210), (35, 7269404), (68, 3741605), (70, 3634702), (85, 2993284), (119, 2138060), (140, 1817351), (170, 1496642), (238, 1069030), (340, 748321), (476, 534515), (595, 427612), (1190, 213806), (2380, 106903)]