289991880780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{690456859}}^1$

素因数の和:690456878

約数の個数: 48

約数和(自身を含む): 927974019840

約数和(自身を除く): 637982139060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 690456859, 1380913718, 2071370577, 2761827436, 3452284295, 4142741154, 4833198013, 6904568590, 8285482308, 9666396026, 10356852885, 13809137180, 14499594039, 19332792052, 20713705770, 24165990065, 28999188078, 41427411540, 48331980130, 57998376156, 72497970195, 96663960260, 144995940390, 289991880780]

約数ペア:

[(1, 289991880780), (2, 144995940390), (3, 96663960260), (4, 72497970195), (5, 57998376156), (6, 48331980130), (7, 41427411540), (10, 28999188078), (12, 24165990065), (14, 20713705770), (15, 19332792052), (20, 14499594039), (21, 13809137180), (28, 10356852885), (30, 9666396026), (35, 8285482308), (42, 6904568590), (60, 4833198013), (70, 4142741154), (84, 3452284295), (105, 2761827436), (140, 2071370577), (210, 1380913718), (420, 690456859)]