12140260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 28082880

約数和(自身を除く): 15942620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 397, 556, 695, 794, 1390, 1529, 1588, 1985, 2780, 3058, 3970, 4367, 6116, 7645, 7940, 8734, 15290, 17468, 21835, 30580, 43670, 55183, 87340, 110366, 220732, 275915, 551830, 607013, 1103660, 1214026, 2428052, 3035065, 6070130, 12140260]

約数ペア:

[(1, 12140260), (2, 6070130), (4, 3035065), (5, 2428052), (10, 1214026), (11, 1103660), (20, 607013), (22, 551830), (44, 275915), (55, 220732), (110, 110366), (139, 87340), (220, 55183), (278, 43670), (397, 30580), (556, 21835), (695, 17468), (794, 15290), (1390, 8734), (1529, 7940), (1588, 7645), (1985, 6116), (2780, 4367), (3058, 3970)]