28293580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28871}}^1$

素因数の和:28894

約数の個数: 36

約数和(自身を含む): 69119568

約数和(自身を除く): 40825988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28871, 57742, 115484, 144355, 202097, 288710, 404194, 577420, 808388, 1010485, 1414679, 2020970, 2829358, 4041940, 5658716, 7073395, 14146790, 28293580]

約数ペア:

[(1, 28293580), (2, 14146790), (4, 7073395), (5, 5658716), (7, 4041940), (10, 2829358), (14, 2020970), (20, 1414679), (28, 1010485), (35, 808388), (49, 577420), (70, 404194), (98, 288710), (140, 202097), (196, 144355), (245, 115484), (490, 57742), (980, 28871)]