209395410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{997121}}^1$

素因数の和:997138

約数の個数: 32

約数和(自身を含む): 574342272

約数和(自身を除く): 364946862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 997121, 1994242, 2991363, 4985605, 5982726, 6979847, 9971210, 13959694, 14956815, 20939541, 29913630, 34899235, 41879082, 69798470, 104697705, 209395410]

約数ペア:

[(1, 209395410), (2, 104697705), (3, 69798470), (5, 41879082), (6, 34899235), (7, 29913630), (10, 20939541), (14, 14956815), (15, 13959694), (21, 9971210), (30, 6979847), (35, 5982726), (42, 4985605), (70, 2991363), (105, 1994242), (210, 997121)]