8215900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 22627024

約数和(自身を除く): 14411124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 97, 100, 110, 121, 140, 154, 175, 194, 220, 242, 275, 308, 350, 385, 388, 484, 485, 550, 605, 679, 700, 770, 847, 970, 1067, 1100, 1210, 1358, 1540, 1694, 1925, 1940, 2134, 2420, 2425, 2716, 3025, 3388, 3395, 3850, 4235, 4268, 4850, 5335, 6050, 6790, 7469, 7700, 8470, 9700, 10670, 11737, 12100, 13580, 14938, 16940, 16975, 21175, 21340, 23474, 26675, 29876, 33950, 37345, 42350, 46948, 53350, 58685, 67900, 74690, 82159, 84700, 106700, 117370, 149380, 164318, 186725, 234740, 293425, 328636, 373450, 410795, 586850, 746900, 821590, 1173700, 1643180, 2053975, 4107950, 8215900]

約数ペア:

[(1, 8215900), (2, 4107950), (4, 2053975), (5, 1643180), (7, 1173700), (10, 821590), (11, 746900), (14, 586850), (20, 410795), (22, 373450), (25, 328636), (28, 293425), (35, 234740), (44, 186725), (50, 164318), (55, 149380), (70, 117370), (77, 106700), (97, 84700), (100, 82159), (110, 74690), (121, 67900), (140, 58685), (154, 53350), (175, 46948), (194, 42350), (220, 37345), (242, 33950), (275, 29876), (308, 26675), (350, 23474), (385, 21340), (388, 21175), (484, 16975), (485, 16940), (550, 14938), (605, 13580), (679, 12100), (700, 11737), (770, 10670), (847, 9700), (970, 8470), (1067, 7700), (1100, 7469), (1210, 6790), (1358, 6050), (1540, 5335), (1694, 4850), (1925, 4268), (1940, 4235), (2134, 3850), (2420, 3395), (2425, 3388), (2716, 3025)]