28682990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4057}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 59603904

約数和(自身を除く): 30920914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 4057, 7070, 8114, 20285, 28399, 40570, 56798, 141995, 283990, 409757, 819514, 2048785, 2868299, 4097570, 5736598, 14341495, 28682990]

約数ペア:

[(1, 28682990), (2, 14341495), (5, 5736598), (7, 4097570), (10, 2868299), (14, 2048785), (35, 819514), (70, 409757), (101, 283990), (202, 141995), (505, 56798), (707, 40570), (1010, 28399), (1414, 20285), (3535, 8114), (4057, 7070)]