3811220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3889}}^1$

素因数の和:3912

約数の個数: 36

約数和(自身を含む): 9312660

約数和(自身を除く): 5501440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3889, 7778, 15556, 19445, 27223, 38890, 54446, 77780, 108892, 136115, 190561, 272230, 381122, 544460, 762244, 952805, 1905610, 3811220]

約数ペア:

[(1, 3811220), (2, 1905610), (4, 952805), (5, 762244), (7, 544460), (10, 381122), (14, 272230), (20, 190561), (28, 136115), (35, 108892), (49, 77780), (70, 54446), (98, 38890), (140, 27223), (196, 19445), (245, 15556), (490, 7778), (980, 3889)]