16716980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 40567296

約数和(自身を除く): 23850316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1231, 1358, 1940, 2462, 2716, 3395, 4924, 6155, 6790, 8617, 12310, 13580, 17234, 24620, 34468, 43085, 86170, 119407, 172340, 238814, 477628, 597035, 835849, 1194070, 1671698, 2388140, 3343396, 4179245, 8358490, 16716980]

約数ペア:

[(1, 16716980), (2, 8358490), (4, 4179245), (5, 3343396), (7, 2388140), (10, 1671698), (14, 1194070), (20, 835849), (28, 597035), (35, 477628), (70, 238814), (97, 172340), (140, 119407), (194, 86170), (388, 43085), (485, 34468), (679, 24620), (970, 17234), (1231, 13580), (1358, 12310), (1940, 8617), (2462, 6790), (2716, 6155), (3395, 4924)]