90208390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2843}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 172005120

約数和(自身を除く): 81796730

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 835, 1670, 2843, 3173, 5686, 6346, 14215, 15865, 28430, 31730, 54017, 108034, 270085, 474781, 540170, 949562, 2373905, 4747810, 9020839, 18041678, 45104195, 90208390]

約数ペア:

[(1, 90208390), (2, 45104195), (5, 18041678), (10, 9020839), (19, 4747810), (38, 2373905), (95, 949562), (167, 540170), (190, 474781), (334, 270085), (835, 108034), (1670, 54017), (2843, 31730), (3173, 28430), (5686, 15865), (6346, 14215)]