215093870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 426816000

約数和(自身を除く): 211722130

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 103, 145, 190, 206, 290, 379, 515, 551, 758, 1030, 1102, 1895, 1957, 2755, 2987, 3790, 3914, 5510, 5974, 7201, 9785, 10991, 14402, 14935, 19570, 21982, 29870, 36005, 39037, 54955, 56753, 72010, 78074, 109910, 113506, 195185, 208829, 283765, 390370, 417658, 567530, 741703, 1044145, 1132073, 1483406, 2088290, 2264146, 3708515, 5660365, 7417030, 11320730, 21509387, 43018774, 107546935, 215093870]

約数ペア:

[(1, 215093870), (2, 107546935), (5, 43018774), (10, 21509387), (19, 11320730), (29, 7417030), (38, 5660365), (58, 3708515), (95, 2264146), (103, 2088290), (145, 1483406), (190, 1132073), (206, 1044145), (290, 741703), (379, 567530), (515, 417658), (551, 390370), (758, 283765), (1030, 208829), (1102, 195185), (1895, 113506), (1957, 109910), (2755, 78074), (2987, 72010), (3790, 56753), (3914, 54955), (5510, 39037), (5974, 36005), (7201, 29870), (9785, 21982), (10991, 19570), (14402, 14935)]