222211480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{57271}}^1$

素因数の和:57379

約数の個数: 32

約数和(自身を含む): 505139040

約数和(自身を除く): 282927560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 57271, 114542, 229084, 286355, 458168, 572710, 1145420, 2290840, 5555287, 11110574, 22221148, 27776435, 44442296, 55552870, 111105740, 222211480]

約数ペア:

[(1, 222211480), (2, 111105740), (4, 55552870), (5, 44442296), (8, 27776435), (10, 22221148), (20, 11110574), (40, 5555287), (97, 2290840), (194, 1145420), (388, 572710), (485, 458168), (776, 286355), (970, 229084), (1940, 114542), (3880, 57271)]