890963425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 1241438400

約数和(自身を除く): 350474975

約数列:

[1, 5, 11, 25, 55, 59, 89, 275, 295, 445, 617, 649, 979, 1475, 2225, 3085, 3245, 4895, 5251, 6787, 15425, 16225, 24475, 26255, 33935, 36403, 54913, 57761, 131275, 169675, 182015, 274565, 288805, 400433, 604043, 910075, 1372825, 1444025, 2002165, 3020215, 3239867, 10010825, 15101075, 16199335, 35638537, 80996675, 178192685, 890963425]

約数ペア:

[(1, 890963425), (5, 178192685), (11, 80996675), (25, 35638537), (55, 16199335), (59, 15101075), (89, 10010825), (275, 3239867), (295, 3020215), (445, 2002165), (617, 1444025), (649, 1372825), (979, 910075), (1475, 604043), (2225, 400433), (3085, 288805), (3245, 274565), (4895, 182015), (5251, 169675), (6787, 131275), (15425, 57761), (16225, 54913), (24475, 36403), (26255, 33935)]