1449204400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{73939}}^1$

素因数の和:73971

約数の個数: 90

約数和(自身を含む): 4050211380

約数和(自身を除く): 2601006980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 73939, 147878, 295756, 369695, 517573, 591512, 739390, 1035146, 1183024, 1478780, 1848475, 2070292, 2587865, 2957560, 3623011, 3696950, 4140584, 5175730, 5915120, 7246022, 7393900, 8281168, 10351460, 12939325, 14492044, 14787800, 18115055, 20702920, 25878650, 28984088, 29575600, 36230110, 41405840, 51757300, 57968176, 72460220, 90575275, 103514600, 144920440, 181150550, 207029200, 289840880, 362301100, 724602200, 1449204400]

約数ペア:

[(1, 1449204400), (2, 724602200), (4, 362301100), (5, 289840880), (7, 207029200), (8, 181150550), (10, 144920440), (14, 103514600), (16, 90575275), (20, 72460220), (25, 57968176), (28, 51757300), (35, 41405840), (40, 36230110), (49, 29575600), (50, 28984088), (56, 25878650), (70, 20702920), (80, 18115055), (98, 14787800), (100, 14492044), (112, 12939325), (140, 10351460), (175, 8281168), (196, 7393900), (200, 7246022), (245, 5915120), (280, 5175730), (350, 4140584), (392, 3696950), (400, 3623011), (490, 2957560), (560, 2587865), (700, 2070292), (784, 1848475), (980, 1478780), (1225, 1183024), (1400, 1035146), (1960, 739390), (2450, 591512), (2800, 517573), (3920, 369695), (4900, 295756), (9800, 147878), (19600, 73939)]