209298889720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1\times {\mathrm{32303}}^1$

素因数の和:36124

約数の個数: 64

約数和(自身を含む): 482017029120

約数和(自身を除く): 272718139400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3767, 7534, 15068, 18835, 30136, 32303, 37670, 64606, 75340, 129212, 150680, 161515, 161981, 258424, 323030, 323962, 646060, 647924, 809905, 1292120, 1295848, 1389029, 1619810, 2778058, 3239620, 5556116, 6479240, 6945145, 11112232, 13890290, 27780580, 55561160, 121685401, 243370802, 486741604, 608427005, 973483208, 1216854010, 2433708020, 4867416040, 5232472243, 10464944486, 20929888972, 26162361215, 41859777944, 52324722430, 104649444860, 209298889720]

約数ペア:

[(1, 209298889720), (2, 104649444860), (4, 52324722430), (5, 41859777944), (8, 26162361215), (10, 20929888972), (20, 10464944486), (40, 5232472243), (43, 4867416040), (86, 2433708020), (172, 1216854010), (215, 973483208), (344, 608427005), (430, 486741604), (860, 243370802), (1720, 121685401), (3767, 55561160), (7534, 27780580), (15068, 13890290), (18835, 11112232), (30136, 6945145), (32303, 6479240), (37670, 5556116), (64606, 3239620), (75340, 2778058), (129212, 1619810), (150680, 1389029), (161515, 1295848), (161981, 1292120), (258424, 809905), (323030, 647924), (323962, 646060)]