133173320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{475619}}^1$

素因数の和:475637

約数の個数: 32

約数和(自身を含む): 342446400

約数和(自身を除く): 209273080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 475619, 951238, 1902476, 2378095, 3329333, 3804952, 4756190, 6658666, 9512380, 13317332, 16646665, 19024760, 26634664, 33293330, 66586660, 133173320]

約数ペア:

[(1, 133173320), (2, 66586660), (4, 33293330), (5, 26634664), (7, 19024760), (8, 16646665), (10, 13317332), (14, 9512380), (20, 6658666), (28, 4756190), (35, 3804952), (40, 3329333), (56, 2378095), (70, 1902476), (140, 951238), (280, 475619)]