157205020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3181}}^1$

素因数の和:3550

約数の個数: 48

約数和(自身を含む): 378479808

約数和(自身を除く): 221274788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3181, 3530, 4942, 6362, 7060, 9884, 12355, 12724, 15905, 22267, 24710, 31810, 44534, 49420, 63620, 89068, 111335, 222670, 445340, 1122893, 2245786, 4491572, 5614465, 7860251, 11228930, 15720502, 22457860, 31441004, 39301255, 78602510, 157205020]

約数ペア:

[(1, 157205020), (2, 78602510), (4, 39301255), (5, 31441004), (7, 22457860), (10, 15720502), (14, 11228930), (20, 7860251), (28, 5614465), (35, 4491572), (70, 2245786), (140, 1122893), (353, 445340), (706, 222670), (1412, 111335), (1765, 89068), (2471, 63620), (3181, 49420), (3530, 44534), (4942, 31810), (6362, 24710), (7060, 22267), (9884, 15905), (12355, 12724)]