31455340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 76430592

約数和(自身を除く): 44975252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2707, 2905, 5414, 5810, 10828, 11620, 13535, 18949, 27070, 37898, 54140, 75796, 94745, 189490, 224681, 378980, 449362, 898724, 1123405, 1572767, 2246810, 3145534, 4493620, 6291068, 7863835, 15727670, 31455340]

約数ペア:

[(1, 31455340), (2, 15727670), (4, 7863835), (5, 6291068), (7, 4493620), (10, 3145534), (14, 2246810), (20, 1572767), (28, 1123405), (35, 898724), (70, 449362), (83, 378980), (140, 224681), (166, 189490), (332, 94745), (415, 75796), (581, 54140), (830, 37898), (1162, 27070), (1660, 18949), (2324, 13535), (2707, 11620), (2905, 10828), (5414, 5810)]