281707120

素因数分解:

$2^4\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{2903}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 655734816

約数和(自身を除く): 374027696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1213, 2426, 2903, 4852, 5806, 6065, 9704, 11612, 12130, 14515, 19408, 23224, 24260, 29030, 46448, 48520, 58060, 97040, 116120, 232240, 3521339, 7042678, 14085356, 17606695, 28170712, 35213390, 56341424, 70426780, 140853560, 281707120]

約数ペア:

[(1, 281707120), (2, 140853560), (4, 70426780), (5, 56341424), (8, 35213390), (10, 28170712), (16, 17606695), (20, 14085356), (40, 7042678), (80, 3521339), (1213, 232240), (2426, 116120), (2903, 97040), (4852, 58060), (5806, 48520), (6065, 46448), (9704, 29030), (11612, 24260), (12130, 23224), (14515, 19408)]