71756398780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{176401}}^1$

素因数の和:176507

約数の個数: 72

約数和(自身を含む): 168300208944

約数和(自身を除く): 96543810164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1849, 1892, 2365, 3698, 4730, 7396, 9245, 9460, 18490, 20339, 36980, 40678, 81356, 101695, 176401, 203390, 352802, 406780, 705604, 882005, 1764010, 1940411, 3528020, 3880822, 7585243, 7761644, 9702055, 15170486, 19404110, 30340972, 37926215, 38808220, 75852430, 83437673, 151704860, 166875346, 326165449, 333750692, 417188365, 652330898, 834376730, 1304661796, 1630827245, 1668753460, 3261654490, 3587819939, 6523308980, 7175639878, 14351279756, 17939099695, 35878199390, 71756398780]

約数ペア:

[(1, 71756398780), (2, 35878199390), (4, 17939099695), (5, 14351279756), (10, 7175639878), (11, 6523308980), (20, 3587819939), (22, 3261654490), (43, 1668753460), (44, 1630827245), (55, 1304661796), (86, 834376730), (110, 652330898), (172, 417188365), (215, 333750692), (220, 326165449), (430, 166875346), (473, 151704860), (860, 83437673), (946, 75852430), (1849, 38808220), (1892, 37926215), (2365, 30340972), (3698, 19404110), (4730, 15170486), (7396, 9702055), (9245, 7761644), (9460, 7585243), (18490, 3880822), (20339, 3528020), (36980, 1940411), (40678, 1764010), (81356, 882005), (101695, 705604), (176401, 406780), (203390, 352802)]