203423540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4463}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 445471488

約数和(自身を除く): 242047948

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 4463, 4558, 8926, 9116, 11395, 17852, 22315, 22790, 44630, 45580, 89260, 191909, 236539, 383818, 473078, 767636, 946156, 959545, 1182695, 1919090, 2365390, 3838180, 4730780, 10171177, 20342354, 40684708, 50855885, 101711770, 203423540]

約数ペア:

[(1, 203423540), (2, 101711770), (4, 50855885), (5, 40684708), (10, 20342354), (20, 10171177), (43, 4730780), (53, 3838180), (86, 2365390), (106, 1919090), (172, 1182695), (212, 959545), (215, 946156), (265, 767636), (430, 473078), (530, 383818), (860, 236539), (1060, 191909), (2279, 89260), (4463, 45580), (4558, 44630), (8926, 22790), (9116, 22315), (11395, 17852)]