12139820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7883}}^1$

素因数の和:7910

約数の個数: 48

約数和(自身を含む): 31788288

約数和(自身を除く): 19648468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7883, 15766, 31532, 39415, 55181, 78830, 86713, 110362, 157660, 173426, 220724, 275905, 346852, 433565, 551810, 606991, 867130, 1103620, 1213982, 1734260, 2427964, 3034955, 6069910, 12139820]

約数ペア:

[(1, 12139820), (2, 6069910), (4, 3034955), (5, 2427964), (7, 1734260), (10, 1213982), (11, 1103620), (14, 867130), (20, 606991), (22, 551810), (28, 433565), (35, 346852), (44, 275905), (55, 220724), (70, 173426), (77, 157660), (110, 110362), (140, 86713), (154, 78830), (220, 55181), (308, 39415), (385, 31532), (770, 15766), (1540, 7883)]