3138280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 7172640

約数和(自身を除く): 4034360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1171, 1340, 2342, 2680, 4684, 5855, 9368, 11710, 23420, 46840, 78457, 156914, 313828, 392285, 627656, 784570, 1569140, 3138280]

約数ペア:

[(1, 3138280), (2, 1569140), (4, 784570), (5, 627656), (8, 392285), (10, 313828), (20, 156914), (40, 78457), (67, 46840), (134, 23420), (268, 11710), (335, 9368), (536, 5855), (670, 4684), (1171, 2680), (1340, 2342)]