200004805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 126587195

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 89, 91, 143, 385, 445, 449, 455, 623, 715, 979, 1001, 1157, 2245, 3115, 3143, 4895, 4939, 5005, 5785, 5837, 6853, 8099, 12727, 15715, 24695, 29185, 34265, 34573, 39961, 40495, 40859, 63635, 64207, 89089, 172865, 199805, 204295, 279727, 321035, 439571, 445445, 449449, 519493, 1398635, 2197855, 2247245, 2597465, 3076997, 3636451, 5714423, 15384985, 18182255, 28572115, 40000961, 200004805]

約数ペア:

[(1, 200004805), (5, 40000961), (7, 28572115), (11, 18182255), (13, 15384985), (35, 5714423), (55, 3636451), (65, 3076997), (77, 2597465), (89, 2247245), (91, 2197855), (143, 1398635), (385, 519493), (445, 449449), (449, 445445), (455, 439571), (623, 321035), (715, 279727), (979, 204295), (1001, 199805), (1157, 172865), (2245, 89089), (3115, 64207), (3143, 63635), (4895, 40859), (4939, 40495), (5005, 39961), (5785, 34573), (5837, 34265), (6853, 29185), (8099, 24695), (12727, 15715)]