210317560

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{6121}}^1$

素因数の和:6991

約数の個数: 32

約数和(自身を含む): 473842800

約数和(自身を除く): 263525240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 6121, 6872, 8590, 12242, 17180, 24484, 30605, 34360, 48968, 61210, 122420, 244840, 5257939, 10515878, 21031756, 26289695, 42063512, 52579390, 105158780, 210317560]

約数ペア:

[(1, 210317560), (2, 105158780), (4, 52579390), (5, 42063512), (8, 26289695), (10, 21031756), (20, 10515878), (40, 5257939), (859, 244840), (1718, 122420), (3436, 61210), (4295, 48968), (6121, 34360), (6872, 30605), (8590, 24484), (12242, 17180)]