4991420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 12132288

約数和(自身を除く): 7140868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 353, 404, 505, 706, 707, 1010, 1412, 1414, 1765, 2020, 2471, 2828, 3530, 3535, 4942, 7060, 7070, 9884, 12355, 14140, 24710, 35653, 49420, 71306, 142612, 178265, 249571, 356530, 499142, 713060, 998284, 1247855, 2495710, 4991420]

約数ペア:

[(1, 4991420), (2, 2495710), (4, 1247855), (5, 998284), (7, 713060), (10, 499142), (14, 356530), (20, 249571), (28, 178265), (35, 142612), (70, 71306), (101, 49420), (140, 35653), (202, 24710), (353, 14140), (404, 12355), (505, 9884), (706, 7070), (707, 7060), (1010, 4942), (1412, 3535), (1414, 3530), (1765, 2828), (2020, 2471)]