145734220

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{43633}}^1$

素因数の和:43809

約数の個数: 24

約数和(自身を含む): 307881504

約数和(自身を除く): 162147284

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 43633, 87266, 174532, 218165, 436330, 872660, 7286711, 14573422, 29146844, 36433555, 72867110, 145734220]

約数ペア:

[(1, 145734220), (2, 72867110), (4, 36433555), (5, 29146844), (10, 14573422), (20, 7286711), (167, 872660), (334, 436330), (668, 218165), (835, 174532), (1670, 87266), (3340, 43633)]