2021621725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2179}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 2773483200

約数和(自身を除く): 751861475

約数列:

[1, 5, 17, 25, 37, 59, 85, 185, 295, 425, 629, 925, 1003, 1475, 2179, 2183, 3145, 5015, 10895, 10915, 15725, 25075, 37043, 37111, 54475, 54575, 80623, 128561, 185215, 185555, 403115, 642805, 926075, 927775, 1370591, 2015575, 2185537, 3214025, 4756757, 6852955, 10927685, 23783785, 34264775, 54638425, 80864869, 118918925, 404324345, 2021621725]

約数ペア:

[(1, 2021621725), (5, 404324345), (17, 118918925), (25, 80864869), (37, 54638425), (59, 34264775), (85, 23783785), (185, 10927685), (295, 6852955), (425, 4756757), (629, 3214025), (925, 2185537), (1003, 2015575), (1475, 1370591), (2179, 927775), (2183, 926075), (3145, 642805), (5015, 403115), (10895, 185555), (10915, 185215), (15725, 128561), (25075, 80623), (37043, 54575), (37111, 54475)]