19758900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^2$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 66016608

約数和(自身を除く): 46257708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 210, 291, 300, 350, 388, 420, 485, 525, 582, 679, 700, 970, 1050, 1164, 1358, 1455, 1940, 2037, 2100, 2425, 2716, 2910, 3395, 4074, 4850, 5820, 6790, 7275, 8148, 9409, 9700, 10185, 13580, 14550, 16975, 18818, 20370, 28227, 29100, 33950, 37636, 40740, 47045, 50925, 56454, 65863, 67900, 94090, 101850, 112908, 131726, 141135, 188180, 197589, 203700, 235225, 263452, 282270, 329315, 395178, 470450, 564540, 658630, 705675, 790356, 940900, 987945, 1317260, 1411350, 1646575, 1975890, 2822700, 3293150, 3951780, 4939725, 6586300, 9879450, 19758900]

約数ペア:

[(1, 19758900), (2, 9879450), (3, 6586300), (4, 4939725), (5, 3951780), (6, 3293150), (7, 2822700), (10, 1975890), (12, 1646575), (14, 1411350), (15, 1317260), (20, 987945), (21, 940900), (25, 790356), (28, 705675), (30, 658630), (35, 564540), (42, 470450), (50, 395178), (60, 329315), (70, 282270), (75, 263452), (84, 235225), (97, 203700), (100, 197589), (105, 188180), (140, 141135), (150, 131726), (175, 112908), (194, 101850), (210, 94090), (291, 67900), (300, 65863), (350, 56454), (388, 50925), (420, 47045), (485, 40740), (525, 37636), (582, 33950), (679, 29100), (700, 28227), (970, 20370), (1050, 18818), (1164, 16975), (1358, 14550), (1455, 13580), (1940, 10185), (2037, 9700), (2100, 9409), (2425, 8148), (2716, 7275), (2910, 6790), (3395, 5820), (4074, 4850)]