7918540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 19176192

約数和(自身を除く): 11257652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 347, 652, 694, 815, 1141, 1388, 1630, 1735, 2282, 2429, 3260, 3470, 4564, 4858, 5705, 6940, 9716, 11410, 12145, 22820, 24290, 48580, 56561, 113122, 226244, 282805, 395927, 565610, 791854, 1131220, 1583708, 1979635, 3959270, 7918540]

約数ペア:

[(1, 7918540), (2, 3959270), (4, 1979635), (5, 1583708), (7, 1131220), (10, 791854), (14, 565610), (20, 395927), (28, 282805), (35, 226244), (70, 113122), (140, 56561), (163, 48580), (326, 24290), (347, 22820), (652, 12145), (694, 11410), (815, 9716), (1141, 6940), (1388, 5705), (1630, 4858), (1735, 4564), (2282, 3470), (2429, 3260)]