77212240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19697}}^1$

素因数の和:19724

約数の個数: 60

約数和(自身を含む): 208838196

約数和(自身を除く): 131625956

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19697, 39394, 78788, 98485, 137879, 157576, 196970, 275758, 315152, 393940, 551516, 689395, 787880, 965153, 1103032, 1378790, 1575760, 1930306, 2206064, 2757580, 3860612, 4825765, 5515160, 7721224, 9651530, 11030320, 15442448, 19303060, 38606120, 77212240]

約数ペア:

[(1, 77212240), (2, 38606120), (4, 19303060), (5, 15442448), (7, 11030320), (8, 9651530), (10, 7721224), (14, 5515160), (16, 4825765), (20, 3860612), (28, 2757580), (35, 2206064), (40, 1930306), (49, 1575760), (56, 1378790), (70, 1103032), (80, 965153), (98, 787880), (112, 689395), (140, 551516), (196, 393940), (245, 315152), (280, 275758), (392, 196970), (490, 157576), (560, 137879), (784, 98485), (980, 78788), (1960, 39394), (3920, 19697)]