20190431475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{773}}^1\times {\mathrm{4003}}^1$

素因数の和:4821

約数の個数: 72

約数和(自身を含む): 37468070640

約数和(自身を除く): 17277639165

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 773, 1305, 2175, 2319, 3865, 4003, 6525, 6957, 11595, 12009, 19325, 20015, 22417, 34785, 36027, 57975, 60045, 67251, 100075, 112085, 116087, 173925, 180135, 201753, 300225, 336255, 348261, 560425, 580435, 900675, 1008765, 1044783, 1681275, 1741305, 2902175, 3094319, 5043825, 5223915, 8706525, 9282957, 15471595, 26119575, 27848871, 46414785, 77357975, 89735251, 139244355, 232073925, 269205753, 448676255, 696221775, 807617259, 1346028765, 2243381275, 4038086295, 6730143825, 20190431475]

約数ペア:

[(1, 20190431475), (3, 6730143825), (5, 4038086295), (9, 2243381275), (15, 1346028765), (25, 807617259), (29, 696221775), (45, 448676255), (75, 269205753), (87, 232073925), (145, 139244355), (225, 89735251), (261, 77357975), (435, 46414785), (725, 27848871), (773, 26119575), (1305, 15471595), (2175, 9282957), (2319, 8706525), (3865, 5223915), (4003, 5043825), (6525, 3094319), (6957, 2902175), (11595, 1741305), (12009, 1681275), (19325, 1044783), (20015, 1008765), (22417, 900675), (34785, 580435), (36027, 560425), (57975, 348261), (60045, 336255), (67251, 300225), (100075, 201753), (112085, 180135), (116087, 173925)]