202604990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28657}}^1$

素因数の和:28772

約数の個数: 32

約数和(自身を含む): 420928704

約数和(自身を除く): 218323714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 28657, 57314, 143285, 200599, 286570, 401198, 1002995, 2005990, 2894357, 5788714, 14471785, 20260499, 28943570, 40520998, 101302495, 202604990]

約数ペア:

[(1, 202604990), (2, 101302495), (5, 40520998), (7, 28943570), (10, 20260499), (14, 14471785), (35, 5788714), (70, 2894357), (101, 2005990), (202, 1002995), (505, 401198), (707, 286570), (1010, 200599), (1414, 143285), (3535, 57314), (7070, 28657)]