28000260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155557}}^1$

素因数の和:155572

約数の個数: 36

約数和(自身を含む): 84934668

約数和(自身を除く): 56934408

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155557, 311114, 466671, 622228, 777785, 933342, 1400013, 1555570, 1866684, 2333355, 2800026, 3111140, 4666710, 5600052, 7000065, 9333420, 14000130, 28000260]

約数ペア:

[(1, 28000260), (2, 14000130), (3, 9333420), (4, 7000065), (5, 5600052), (6, 4666710), (9, 3111140), (10, 2800026), (12, 2333355), (15, 1866684), (18, 1555570), (20, 1400013), (30, 933342), (36, 777785), (45, 622228), (60, 466671), (90, 311114), (180, 155557)]