2865380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 6980736

約数和(自身を除く): 4115356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 211, 388, 422, 485, 679, 844, 970, 1055, 1358, 1477, 1940, 2110, 2716, 2954, 3395, 4220, 5908, 6790, 7385, 13580, 14770, 20467, 29540, 40934, 81868, 102335, 143269, 204670, 286538, 409340, 573076, 716345, 1432690, 2865380]

約数ペア:

[(1, 2865380), (2, 1432690), (4, 716345), (5, 573076), (7, 409340), (10, 286538), (14, 204670), (20, 143269), (28, 102335), (35, 81868), (70, 40934), (97, 29540), (140, 20467), (194, 14770), (211, 13580), (388, 7385), (422, 6790), (485, 5908), (679, 4220), (844, 3395), (970, 2954), (1055, 2716), (1358, 2110), (1477, 1940)]