255209140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{671603}}^1$

素因数の和:671631

約数の個数: 24

約数和(自身を含む): 564147360

約数和(自身を除く): 308938220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 671603, 1343206, 2686412, 3358015, 6716030, 12760457, 13432060, 25520914, 51041828, 63802285, 127604570, 255209140]

約数ペア:

[(1, 255209140), (2, 127604570), (4, 63802285), (5, 51041828), (10, 25520914), (19, 13432060), (20, 12760457), (38, 6716030), (76, 3358015), (95, 2686412), (190, 1343206), (380, 671603)]