142581740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4567}}^1$

素因数の和:4806

約数の個数: 48

約数和(自身を含む): 343805952

約数和(自身を除く): 201224212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 4567, 6244, 7805, 9134, 15610, 18268, 22835, 31220, 31969, 45670, 63938, 91340, 127876, 159845, 319690, 639380, 1018441, 2036882, 4073764, 5092205, 7129087, 10184410, 14258174, 20368820, 28516348, 35645435, 71290870, 142581740]

約数ペア:

[(1, 142581740), (2, 71290870), (4, 35645435), (5, 28516348), (7, 20368820), (10, 14258174), (14, 10184410), (20, 7129087), (28, 5092205), (35, 4073764), (70, 2036882), (140, 1018441), (223, 639380), (446, 319690), (892, 159845), (1115, 127876), (1561, 91340), (2230, 63938), (3122, 45670), (4460, 31969), (4567, 31220), (6244, 22835), (7805, 18268), (9134, 15610)]