2156404390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{69539}}^1$

素因数の和:69996

約数の個数: 32

約数和(自身を含む): 4446109440

約数和(自身を除く): 2289705050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 443, 886, 2215, 3101, 4430, 6202, 15505, 31010, 69539, 139078, 347695, 486773, 695390, 973546, 2433865, 4867730, 30805777, 61611554, 154028885, 215640439, 308057770, 431280878, 1078202195, 2156404390]

約数ペア:

[(1, 2156404390), (2, 1078202195), (5, 431280878), (7, 308057770), (10, 215640439), (14, 154028885), (35, 61611554), (70, 30805777), (443, 4867730), (886, 2433865), (2215, 973546), (3101, 695390), (4430, 486773), (6202, 347695), (15505, 139078), (31010, 69539)]