77218120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39397}}^1$

素因数の和:39422

約数の個数: 48

約数和(自身を含む): 202111740

約数和(自身を除く): 124893620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39397, 78794, 157588, 196985, 275779, 315176, 393970, 551558, 787940, 1103116, 1378895, 1575880, 1930453, 2206232, 2757790, 3860906, 5515580, 7721812, 9652265, 11031160, 15443624, 19304530, 38609060, 77218120]

約数ペア:

[(1, 77218120), (2, 38609060), (4, 19304530), (5, 15443624), (7, 11031160), (8, 9652265), (10, 7721812), (14, 5515580), (20, 3860906), (28, 2757790), (35, 2206232), (40, 1930453), (49, 1575880), (56, 1378895), (70, 1103116), (98, 787940), (140, 551558), (196, 393970), (245, 315176), (280, 275779), (392, 196985), (490, 157588), (980, 78794), (1960, 39397)]