30890390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 58821120

約数和(自身を除く): 27930730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 367, 443, 734, 886, 1835, 2215, 3670, 4430, 6973, 8417, 13946, 16834, 34865, 42085, 69730, 84170, 162581, 325162, 812905, 1625810, 3089039, 6178078, 15445195, 30890390]

約数ペア:

[(1, 30890390), (2, 15445195), (5, 6178078), (10, 3089039), (19, 1625810), (38, 812905), (95, 325162), (190, 162581), (367, 84170), (443, 69730), (734, 42085), (886, 34865), (1835, 16834), (2215, 13946), (3670, 8417), (4430, 6973)]