210515900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{967}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 524299776

約数和(自身を除く): 313783876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 311, 350, 622, 700, 967, 1244, 1555, 1934, 2177, 3110, 3868, 4354, 4835, 6220, 6769, 7775, 8708, 9670, 10885, 13538, 15550, 19340, 21770, 24175, 27076, 31100, 33845, 43540, 48350, 54425, 67690, 96700, 108850, 135380, 169225, 217700, 300737, 338450, 601474, 676900, 1202948, 1503685, 2105159, 3007370, 4210318, 6014740, 7518425, 8420636, 10525795, 15036850, 21051590, 30073700, 42103180, 52628975, 105257950, 210515900]

約数ペア:

[(1, 210515900), (2, 105257950), (4, 52628975), (5, 42103180), (7, 30073700), (10, 21051590), (14, 15036850), (20, 10525795), (25, 8420636), (28, 7518425), (35, 6014740), (50, 4210318), (70, 3007370), (100, 2105159), (140, 1503685), (175, 1202948), (311, 676900), (350, 601474), (622, 338450), (700, 300737), (967, 217700), (1244, 169225), (1555, 135380), (1934, 108850), (2177, 96700), (3110, 67690), (3868, 54425), (4354, 48350), (4835, 43540), (6220, 33845), (6769, 31100), (7775, 27076), (8708, 24175), (9670, 21770), (10885, 19340), (13538, 15550)]