3214840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 7290000

約数和(自身を除く): 4075160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 449, 716, 895, 898, 1432, 1790, 1796, 2245, 3580, 3592, 4490, 7160, 8980, 17960, 80371, 160742, 321484, 401855, 642968, 803710, 1607420, 3214840]

約数ペア:

[(1, 3214840), (2, 1607420), (4, 803710), (5, 642968), (8, 401855), (10, 321484), (20, 160742), (40, 80371), (179, 17960), (358, 8980), (449, 7160), (716, 4490), (895, 3592), (898, 3580), (1432, 2245), (1790, 1796)]