208098940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64627}}^1$

素因数の和:64666

約数の個数: 48

約数和(自身を含む): 521160192

約数和(自身を除く): 313061252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 64627, 129254, 258508, 323135, 452389, 646270, 904778, 1292540, 1486421, 1809556, 2261945, 2972842, 4523890, 5945684, 7432105, 9047780, 10404947, 14864210, 20809894, 29728420, 41619788, 52024735, 104049470, 208098940]

約数ペア:

[(1, 208098940), (2, 104049470), (4, 52024735), (5, 41619788), (7, 29728420), (10, 20809894), (14, 14864210), (20, 10404947), (23, 9047780), (28, 7432105), (35, 5945684), (46, 4523890), (70, 2972842), (92, 2261945), (115, 1809556), (140, 1486421), (161, 1292540), (230, 904778), (322, 646270), (460, 452389), (644, 323135), (805, 258508), (1610, 129254), (3220, 64627)]