78308860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79907}}^1$

素因数の和:79930

約数の個数: 36

約数和(自身を含む): 191299752

約数和(自身を除く): 112990892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79907, 159814, 319628, 399535, 559349, 799070, 1118698, 1598140, 2237396, 2796745, 3915443, 5593490, 7830886, 11186980, 15661772, 19577215, 39154430, 78308860]

約数ペア:

[(1, 78308860), (2, 39154430), (4, 19577215), (5, 15661772), (7, 11186980), (10, 7830886), (14, 5593490), (20, 3915443), (28, 2796745), (35, 2237396), (49, 1598140), (70, 1118698), (98, 799070), (140, 559349), (196, 399535), (245, 319628), (490, 159814), (980, 79907)]