65749780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 141543360

約数和(自身を除く): 75793580

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 268, 278, 335, 353, 556, 670, 695, 706, 1340, 1390, 1412, 1765, 2780, 3530, 7060, 9313, 18626, 23651, 37252, 46565, 47302, 49067, 93130, 94604, 98134, 118255, 186260, 196268, 236510, 245335, 473020, 490670, 981340, 3287489, 6574978, 13149956, 16437445, 32874890, 65749780]

約数ペア:

[(1, 65749780), (2, 32874890), (4, 16437445), (5, 13149956), (10, 6574978), (20, 3287489), (67, 981340), (134, 490670), (139, 473020), (268, 245335), (278, 236510), (335, 196268), (353, 186260), (556, 118255), (670, 98134), (695, 94604), (706, 93130), (1340, 49067), (1390, 47302), (1412, 46565), (1765, 37252), (2780, 23651), (3530, 18626), (7060, 9313)]