139655930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{450503}}^1$

素因数の和:450541

約数の個数: 16

約数和(自身を含む): 259490304

約数和(自身を除く): 119834374

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 450503, 901006, 2252515, 4505030, 13965593, 27931186, 69827965, 139655930]

約数ペア:

[(1, 139655930), (2, 69827965), (5, 27931186), (10, 13965593), (31, 4505030), (62, 2252515), (155, 901006), (310, 450503)]