340419420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171929}}^1$

素因数の和:171955

約数の個数: 72

約数和(自身を含む): 1126485360

約数和(自身を除く): 786065940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 171929, 343858, 515787, 687716, 859645, 1031574, 1547361, 1719290, 1891219, 2063148, 2578935, 3094722, 3438580, 3782438, 5157870, 5673657, 6189444, 7564876, 7736805, 9456095, 10315740, 11347314, 15473610, 17020971, 18912190, 22694628, 28368285, 30947220, 34041942, 37824380, 56736570, 68083884, 85104855, 113473140, 170209710, 340419420]

約数ペア:

[(1, 340419420), (2, 170209710), (3, 113473140), (4, 85104855), (5, 68083884), (6, 56736570), (9, 37824380), (10, 34041942), (11, 30947220), (12, 28368285), (15, 22694628), (18, 18912190), (20, 17020971), (22, 15473610), (30, 11347314), (33, 10315740), (36, 9456095), (44, 7736805), (45, 7564876), (55, 6189444), (60, 5673657), (66, 5157870), (90, 3782438), (99, 3438580), (110, 3094722), (132, 2578935), (165, 2063148), (180, 1891219), (198, 1719290), (220, 1547361), (330, 1031574), (396, 859645), (495, 687716), (660, 515787), (990, 343858), (1980, 171929)]