133173880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{475621}}^1$

素因数の和:475639

約数の個数: 32

約数和(自身を含む): 342447840

約数和(自身を除く): 209273960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 475621, 951242, 1902484, 2378105, 3329347, 3804968, 4756210, 6658694, 9512420, 13317388, 16646735, 19024840, 26634776, 33293470, 66586940, 133173880]

約数ペア:

[(1, 133173880), (2, 66586940), (4, 33293470), (5, 26634776), (7, 19024840), (8, 16646735), (10, 13317388), (14, 9512420), (20, 6658694), (28, 4756210), (35, 3804968), (40, 3329347), (56, 2378105), (70, 1902484), (140, 951242), (280, 475621)]