515900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 1416576

約数和(自身を除く): 900676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 67, 70, 77, 100, 110, 134, 140, 154, 175, 220, 268, 275, 308, 335, 350, 385, 469, 550, 670, 700, 737, 770, 938, 1100, 1340, 1474, 1540, 1675, 1876, 1925, 2345, 2948, 3350, 3685, 3850, 4690, 5159, 6700, 7370, 7700, 9380, 10318, 11725, 14740, 18425, 20636, 23450, 25795, 36850, 46900, 51590, 73700, 103180, 128975, 257950, 515900]

約数ペア:

[(1, 515900), (2, 257950), (4, 128975), (5, 103180), (7, 73700), (10, 51590), (11, 46900), (14, 36850), (20, 25795), (22, 23450), (25, 20636), (28, 18425), (35, 14740), (44, 11725), (50, 10318), (55, 9380), (67, 7700), (70, 7370), (77, 6700), (100, 5159), (110, 4690), (134, 3850), (140, 3685), (154, 3350), (175, 2948), (220, 2345), (268, 1925), (275, 1876), (308, 1675), (335, 1540), (350, 1474), (385, 1340), (469, 1100), (550, 938), (670, 770), (700, 737)]