439469080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163981}}^1$

素因数の和:164059

約数の個数: 32

約数和(自身を含む): 1003569840

約数和(自身を除く): 564100760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 163981, 327962, 655924, 819905, 1311848, 1639810, 3279620, 6559240, 10986727, 21973454, 43946908, 54933635, 87893816, 109867270, 219734540, 439469080]

約数ペア:

[(1, 439469080), (2, 219734540), (4, 109867270), (5, 87893816), (8, 54933635), (10, 43946908), (20, 21973454), (40, 10986727), (67, 6559240), (134, 3279620), (268, 1639810), (335, 1311848), (536, 819905), (670, 655924), (1340, 327962), (2680, 163981)]