3937990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 8195904

約数和(自身を除く): 4257914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 557, 707, 1010, 1114, 1414, 2785, 3535, 3899, 5570, 7070, 7798, 19495, 38990, 56257, 112514, 281285, 393799, 562570, 787598, 1968995, 3937990]

約数ペア:

[(1, 3937990), (2, 1968995), (5, 787598), (7, 562570), (10, 393799), (14, 281285), (35, 112514), (70, 56257), (101, 38990), (202, 19495), (505, 7798), (557, 7070), (707, 5570), (1010, 3899), (1114, 3535), (1414, 2785)]