28981500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{139}}^2$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 85005648

約数和(自身を除く): 56024148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 139, 150, 250, 278, 300, 375, 417, 500, 556, 695, 750, 834, 1390, 1500, 1668, 2085, 2780, 3475, 4170, 6950, 8340, 10425, 13900, 17375, 19321, 20850, 34750, 38642, 41700, 52125, 57963, 69500, 77284, 96605, 104250, 115926, 193210, 208500, 231852, 289815, 386420, 483025, 579630, 966050, 1159260, 1449075, 1932100, 2415125, 2898150, 4830250, 5796300, 7245375, 9660500, 14490750, 28981500]

約数ペア:

[(1, 28981500), (2, 14490750), (3, 9660500), (4, 7245375), (5, 5796300), (6, 4830250), (10, 2898150), (12, 2415125), (15, 1932100), (20, 1449075), (25, 1159260), (30, 966050), (50, 579630), (60, 483025), (75, 386420), (100, 289815), (125, 231852), (139, 208500), (150, 193210), (250, 115926), (278, 104250), (300, 96605), (375, 77284), (417, 69500), (500, 57963), (556, 52125), (695, 41700), (750, 38642), (834, 34750), (1390, 20850), (1500, 19321), (1668, 17375), (2085, 13900), (2780, 10425), (3475, 8340), (4170, 6950)]