2001020735

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 2866858176

約数和(自身を除く): 865837441

約数列:

[1, 5, 7, 29, 35, 145, 157, 203, 433, 785, 841, 1015, 1099, 2165, 3031, 4205, 4553, 5495, 5887, 12557, 15155, 22765, 29435, 31871, 62785, 67981, 87899, 132037, 159355, 339905, 364153, 439495, 475867, 660185, 924259, 1820765, 1971449, 2379335, 2549071, 4621295, 9857245, 12745355, 13800143, 57172021, 69000715, 285860105, 400204147, 2001020735]

約数ペア:

[(1, 2001020735), (5, 400204147), (7, 285860105), (29, 69000715), (35, 57172021), (145, 13800143), (157, 12745355), (203, 9857245), (433, 4621295), (785, 2549071), (841, 2379335), (1015, 1971449), (1099, 1820765), (2165, 924259), (3031, 660185), (4205, 475867), (4553, 439495), (5495, 364153), (5887, 339905), (12557, 159355), (15155, 132037), (22765, 87899), (29435, 67981), (31871, 62785)]