1439240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3271}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 3533760

約数和(自身を除く): 2094520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3271, 6542, 13084, 16355, 26168, 32710, 35981, 65420, 71962, 130840, 143924, 179905, 287848, 359810, 719620, 1439240]

約数ペア:

[(1, 1439240), (2, 719620), (4, 359810), (5, 287848), (8, 179905), (10, 143924), (11, 130840), (20, 71962), (22, 65420), (40, 35981), (44, 32710), (55, 26168), (88, 16355), (110, 13084), (220, 6542), (440, 3271)]