12404420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 29973888

約数和(自身を除く): 17569468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 353, 502, 706, 1004, 1255, 1412, 1757, 1765, 2471, 2510, 3514, 3530, 4942, 5020, 7028, 7060, 8785, 9884, 12355, 17570, 24710, 35140, 49420, 88603, 177206, 354412, 443015, 620221, 886030, 1240442, 1772060, 2480884, 3101105, 6202210, 12404420]

約数ペア:

[(1, 12404420), (2, 6202210), (4, 3101105), (5, 2480884), (7, 1772060), (10, 1240442), (14, 886030), (20, 620221), (28, 443015), (35, 354412), (70, 177206), (140, 88603), (251, 49420), (353, 35140), (502, 24710), (706, 17570), (1004, 12355), (1255, 9884), (1412, 8785), (1757, 7060), (1765, 7028), (2471, 5020), (2510, 4942), (3514, 3530)]