105428540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20353}}^1$

素因数の和:20406

約数の個数: 48

約数和(自身を含む): 259879872

約数和(自身を除く): 154451332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 20353, 40706, 81412, 101765, 142471, 203530, 284942, 407060, 569884, 712355, 753061, 1424710, 1506122, 2849420, 3012244, 3765305, 5271427, 7530610, 10542854, 15061220, 21085708, 26357135, 52714270, 105428540]

約数ペア:

[(1, 105428540), (2, 52714270), (4, 26357135), (5, 21085708), (7, 15061220), (10, 10542854), (14, 7530610), (20, 5271427), (28, 3765305), (35, 3012244), (37, 2849420), (70, 1506122), (74, 1424710), (140, 753061), (148, 712355), (185, 569884), (259, 407060), (370, 284942), (518, 203530), (740, 142471), (1036, 101765), (1295, 81412), (2590, 40706), (5180, 20353)]