70180040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{250643}}^1$

素因数の和:250661

約数の個数: 32

約数和(自身を含む): 180463680

約数和(自身を除く): 110283640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 250643, 501286, 1002572, 1253215, 1754501, 2005144, 2506430, 3509002, 5012860, 7018004, 8772505, 10025720, 14036008, 17545010, 35090020, 70180040]

約数ペア:

[(1, 70180040), (2, 35090020), (4, 17545010), (5, 14036008), (7, 10025720), (8, 8772505), (10, 7018004), (14, 5012860), (20, 3509002), (28, 2506430), (35, 2005144), (40, 1754501), (56, 1253215), (70, 1002572), (140, 501286), (280, 250643)]