308400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{257}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 991752

約数和(自身を除く): 683352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 257, 300, 400, 514, 600, 771, 1028, 1200, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 6425, 7710, 10280, 12336, 12850, 15420, 19275, 20560, 25700, 30840, 38550, 51400, 61680, 77100, 102800, 154200, 308400]

約数ペア:

[(1, 308400), (2, 154200), (3, 102800), (4, 77100), (5, 61680), (6, 51400), (8, 38550), (10, 30840), (12, 25700), (15, 20560), (16, 19275), (20, 15420), (24, 12850), (25, 12336), (30, 10280), (40, 7710), (48, 6425), (50, 6168), (60, 5140), (75, 4112), (80, 3855), (100, 3084), (120, 2570), (150, 2056), (200, 1542), (240, 1285), (257, 1200), (300, 1028), (400, 771), (514, 600)]