210909040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{27179}}^1$

素因数の和:27289

約数の個数: 40

約数和(自身を含む): 495437040

約数和(自身を除く): 284528000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 27179, 54358, 108716, 135895, 217432, 271790, 434864, 543580, 1087160, 2174320, 2636363, 5272726, 10545452, 13181815, 21090904, 26363630, 42181808, 52727260, 105454520, 210909040]

約数ペア:

[(1, 210909040), (2, 105454520), (4, 52727260), (5, 42181808), (8, 26363630), (10, 21090904), (16, 13181815), (20, 10545452), (40, 5272726), (80, 2636363), (97, 2174320), (194, 1087160), (388, 543580), (485, 434864), (776, 271790), (970, 217432), (1552, 135895), (1940, 108716), (3880, 54358), (7760, 27179)]