78211420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6277}}^1$

素因数の和:6382

約数の個数: 48

約数和(自身を含む): 189846720

約数和(自身を除く): 111635300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6277, 12460, 12554, 25108, 31385, 43939, 62770, 87878, 125540, 175756, 219695, 439390, 558653, 878780, 1117306, 2234612, 2793265, 3910571, 5586530, 7821142, 11173060, 15642284, 19552855, 39105710, 78211420]

約数ペア:

[(1, 78211420), (2, 39105710), (4, 19552855), (5, 15642284), (7, 11173060), (10, 7821142), (14, 5586530), (20, 3910571), (28, 2793265), (35, 2234612), (70, 1117306), (89, 878780), (140, 558653), (178, 439390), (356, 219695), (445, 175756), (623, 125540), (890, 87878), (1246, 62770), (1780, 43939), (2492, 31385), (3115, 25108), (6230, 12554), (6277, 12460)]