201721089025

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{57223}}^1$

素因数の和:57410

約数の個数: 36

約数和(自身を含む): 259577677632

約数和(自身を除く): 57856588607

約数列:

[1, 5, 25, 37, 103, 185, 515, 925, 1369, 2575, 3811, 6845, 19055, 34225, 57223, 95275, 141007, 286115, 705035, 1430575, 2117251, 3525175, 5893969, 10586255, 29469845, 52931275, 78338287, 147349225, 218076853, 391691435, 1090384265, 1958457175, 5451921325, 8068843561, 40344217805, 201721089025]

約数ペア:

[(1, 201721089025), (5, 40344217805), (25, 8068843561), (37, 5451921325), (103, 1958457175), (185, 1090384265), (515, 391691435), (925, 218076853), (1369, 147349225), (2575, 78338287), (3811, 52931275), (6845, 29469845), (19055, 10586255), (34225, 5893969), (57223, 3525175), (95275, 2117251), (141007, 1430575), (286115, 705035)]