128072980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9431}}^1$

素因数の和:9544

約数の個数: 48

約数和(自身を含む): 310576896

約数和(自身を除く): 182503916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 9431, 13580, 18862, 37724, 47155, 66017, 94310, 132034, 188620, 264068, 330085, 660170, 914807, 1320340, 1829614, 3659228, 4574035, 6403649, 9148070, 12807298, 18296140, 25614596, 32018245, 64036490, 128072980]

約数ペア:

[(1, 128072980), (2, 64036490), (4, 32018245), (5, 25614596), (7, 18296140), (10, 12807298), (14, 9148070), (20, 6403649), (28, 4574035), (35, 3659228), (70, 1829614), (97, 1320340), (140, 914807), (194, 660170), (388, 330085), (485, 264068), (679, 188620), (970, 132034), (1358, 94310), (1940, 66017), (2716, 47155), (3395, 37724), (6790, 18862), (9431, 13580)]