412272420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{981601}}^1$

素因数の和:981620

約数の個数: 48

約数和(自身を含む): 1319273088

約数和(自身を除く): 907000668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 981601, 1963202, 2944803, 3926404, 4908005, 5889606, 6871207, 9816010, 11779212, 13742414, 14724015, 19632020, 20613621, 27484828, 29448030, 34356035, 41227242, 58896060, 68712070, 82454484, 103068105, 137424140, 206136210, 412272420]

約数ペア:

[(1, 412272420), (2, 206136210), (3, 137424140), (4, 103068105), (5, 82454484), (6, 68712070), (7, 58896060), (10, 41227242), (12, 34356035), (14, 29448030), (15, 27484828), (20, 20613621), (21, 19632020), (28, 14724015), (30, 13742414), (35, 11779212), (42, 9816010), (60, 6871207), (70, 5889606), (84, 4908005), (105, 3926404), (140, 2944803), (210, 1963202), (420, 981601)]