154085380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{187909}}^1$

素因数の和:187959

約数の個数: 24

約数和(自身を含む): 331473240

約数和(自身を除く): 177387860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 187909, 375818, 751636, 939545, 1879090, 3758180, 7704269, 15408538, 30817076, 38521345, 77042690, 154085380]

約数ペア:

[(1, 154085380), (2, 77042690), (4, 38521345), (5, 30817076), (10, 15408538), (20, 7704269), (41, 3758180), (82, 1879090), (164, 939545), (205, 751636), (410, 375818), (820, 187909)]