28312760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101117}}^1$

素因数の和:101135

約数の個数: 32

約数和(自身を含む): 72804960

約数和(自身を除く): 44492200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101117, 202234, 404468, 505585, 707819, 808936, 1011170, 1415638, 2022340, 2831276, 3539095, 4044680, 5662552, 7078190, 14156380, 28312760]

約数ペア:

[(1, 28312760), (2, 14156380), (4, 7078190), (5, 5662552), (7, 4044680), (8, 3539095), (10, 2831276), (14, 2022340), (20, 1415638), (28, 1011170), (35, 808936), (40, 707819), (56, 505585), (70, 404468), (140, 202234), (280, 101117)]