1405030400

素因数分解:

$2^{12}\times 5^2\times {\mathrm{13721}}^1$

素因数の和:13755

約数の個数: 78

約数和(自身を含む): 3484303962

約数和(自身を除く): 2079273562

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4096, 5120, 6400, 10240, 12800, 13721, 20480, 25600, 27442, 51200, 54884, 68605, 102400, 109768, 137210, 219536, 274420, 343025, 439072, 548840, 686050, 878144, 1097680, 1372100, 1756288, 2195360, 2744200, 3512576, 4390720, 5488400, 7025152, 8781440, 10976800, 14050304, 17562880, 21953600, 28100608, 35125760, 43907200, 56201216, 70251520, 87814400, 140503040, 175628800, 281006080, 351257600, 702515200, 1405030400]

約数ペア:

[(1, 1405030400), (2, 702515200), (4, 351257600), (5, 281006080), (8, 175628800), (10, 140503040), (16, 87814400), (20, 70251520), (25, 56201216), (32, 43907200), (40, 35125760), (50, 28100608), (64, 21953600), (80, 17562880), (100, 14050304), (128, 10976800), (160, 8781440), (200, 7025152), (256, 5488400), (320, 4390720), (400, 3512576), (512, 2744200), (640, 2195360), (800, 1756288), (1024, 1372100), (1280, 1097680), (1600, 878144), (2048, 686050), (2560, 548840), (3200, 439072), (4096, 343025), (5120, 274420), (6400, 219536), (10240, 137210), (12800, 109768), (13721, 102400), (20480, 68605), (25600, 54884), (27442, 51200)]