890487320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1\times {\mathrm{1033}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 2094966720

約数和(自身を除く): 1204479400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 937, 1033, 1874, 2066, 3748, 4132, 4685, 5165, 7496, 8264, 9370, 10330, 18740, 20660, 21551, 23759, 37480, 41320, 43102, 47518, 86204, 95036, 107755, 118795, 172408, 190072, 215510, 237590, 431020, 475180, 862040, 950360, 967921, 1935842, 3871684, 4839605, 7743368, 9679210, 19358420, 22262183, 38716840, 44524366, 89048732, 111310915, 178097464, 222621830, 445243660, 890487320]

約数ペア:

[(1, 890487320), (2, 445243660), (4, 222621830), (5, 178097464), (8, 111310915), (10, 89048732), (20, 44524366), (23, 38716840), (40, 22262183), (46, 19358420), (92, 9679210), (115, 7743368), (184, 4839605), (230, 3871684), (460, 1935842), (920, 967921), (937, 950360), (1033, 862040), (1874, 475180), (2066, 431020), (3748, 237590), (4132, 215510), (4685, 190072), (5165, 172408), (7496, 118795), (8264, 107755), (9370, 95036), (10330, 86204), (18740, 47518), (20660, 43102), (21551, 41320), (23759, 37480)]