210312850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{983}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 428276160

約数和(自身を除く): 217963310

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 389, 550, 778, 983, 1945, 1966, 3890, 4279, 4915, 8558, 9725, 9830, 10813, 19450, 21395, 21626, 24575, 42790, 49150, 54065, 106975, 108130, 213950, 270325, 382387, 540650, 764774, 1911935, 3823870, 4206257, 8412514, 9559675, 19119350, 21031285, 42062570, 105156425, 210312850]

約数ペア:

[(1, 210312850), (2, 105156425), (5, 42062570), (10, 21031285), (11, 19119350), (22, 9559675), (25, 8412514), (50, 4206257), (55, 3823870), (110, 1911935), (275, 764774), (389, 540650), (550, 382387), (778, 270325), (983, 213950), (1945, 108130), (1966, 106975), (3890, 54065), (4279, 49150), (4915, 42790), (8558, 24575), (9725, 21626), (9830, 21395), (10813, 19450)]