201587225

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 54

約数和(自身を含む): 301043790

約数和(自身を除く): 99456565

約数列:

[1, 5, 7, 25, 35, 43, 49, 89, 175, 215, 245, 301, 445, 623, 1075, 1225, 1505, 1849, 2107, 2225, 3115, 3827, 4361, 7525, 9245, 10535, 12943, 15575, 19135, 21805, 26789, 46225, 52675, 64715, 90601, 95675, 109025, 133945, 164561, 187523, 323575, 453005, 669725, 822805, 937615, 1151927, 2265025, 4114025, 4688075, 5759635, 8063489, 28798175, 40317445, 201587225]

約数ペア:

[(1, 201587225), (5, 40317445), (7, 28798175), (25, 8063489), (35, 5759635), (43, 4688075), (49, 4114025), (89, 2265025), (175, 1151927), (215, 937615), (245, 822805), (301, 669725), (445, 453005), (623, 323575), (1075, 187523), (1225, 164561), (1505, 133945), (1849, 109025), (2107, 95675), (2225, 90601), (3115, 64715), (3827, 52675), (4361, 46225), (7525, 26789), (9245, 21805), (10535, 19135), (12943, 15575)]