12140620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 27498240

約数和(自身を除く): 15357620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 743, 817, 860, 1486, 1634, 2972, 3268, 3715, 4085, 7430, 8170, 14117, 14860, 16340, 28234, 31949, 56468, 63898, 70585, 127796, 141170, 159745, 282340, 319490, 607031, 638980, 1214062, 2428124, 3035155, 6070310, 12140620]

約数ペア:

[(1, 12140620), (2, 6070310), (4, 3035155), (5, 2428124), (10, 1214062), (19, 638980), (20, 607031), (38, 319490), (43, 282340), (76, 159745), (86, 141170), (95, 127796), (172, 70585), (190, 63898), (215, 56468), (380, 31949), (430, 28234), (743, 16340), (817, 14860), (860, 14117), (1486, 8170), (1634, 7430), (2972, 4085), (3268, 3715)]