1214489990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{22739}}^1$

素因数の和:22869

約数の個数: 48

約数和(自身を含む): 2566436400

約数和(自身を除く): 1351946410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 1090, 1526, 3815, 5341, 7630, 10682, 22739, 26705, 45478, 53410, 113695, 159173, 227390, 318346, 795865, 1114211, 1591730, 2228422, 2478551, 4957102, 5571055, 11142110, 12392755, 17349857, 24785510, 34699714, 86749285, 121448999, 173498570, 242897998, 607244995, 1214489990]

約数ペア:

[(1, 1214489990), (2, 607244995), (5, 242897998), (7, 173498570), (10, 121448999), (14, 86749285), (35, 34699714), (49, 24785510), (70, 17349857), (98, 12392755), (109, 11142110), (218, 5571055), (245, 4957102), (490, 2478551), (545, 2228422), (763, 1591730), (1090, 1114211), (1526, 795865), (3815, 318346), (5341, 227390), (7630, 159173), (10682, 113695), (22739, 53410), (26705, 45478)]