210947740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 459859680

約数和(自身を除く): 248911940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 443, 580, 821, 886, 1642, 1772, 2215, 3284, 4105, 4430, 8210, 8860, 12847, 16420, 23809, 25694, 47618, 51388, 64235, 95236, 119045, 128470, 238090, 256940, 363703, 476180, 727406, 1454812, 1818515, 3637030, 7274060, 10547387, 21094774, 42189548, 52736935, 105473870, 210947740]

約数ペア:

[(1, 210947740), (2, 105473870), (4, 52736935), (5, 42189548), (10, 21094774), (20, 10547387), (29, 7274060), (58, 3637030), (116, 1818515), (145, 1454812), (290, 727406), (443, 476180), (580, 363703), (821, 256940), (886, 238090), (1642, 128470), (1772, 119045), (2215, 95236), (3284, 64235), (4105, 51388), (4430, 47618), (8210, 25694), (8860, 23809), (12847, 16420)]