204564490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 413683200

約数和(自身を除く): 209118710

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 71, 74, 130, 142, 185, 355, 370, 481, 599, 710, 923, 962, 1198, 1846, 2405, 2627, 2995, 4615, 4810, 5254, 5990, 7787, 9230, 13135, 15574, 22163, 26270, 34151, 38935, 42529, 44326, 68302, 77870, 85058, 110815, 170755, 212645, 221630, 288119, 341510, 425290, 552877, 576238, 1105754, 1440595, 1573573, 2764385, 2881190, 3147146, 5528770, 7867865, 15735730, 20456449, 40912898, 102282245, 204564490]

約数ペア:

[(1, 204564490), (2, 102282245), (5, 40912898), (10, 20456449), (13, 15735730), (26, 7867865), (37, 5528770), (65, 3147146), (71, 2881190), (74, 2764385), (130, 1573573), (142, 1440595), (185, 1105754), (355, 576238), (370, 552877), (481, 425290), (599, 341510), (710, 288119), (923, 221630), (962, 212645), (1198, 170755), (1846, 110815), (2405, 85058), (2627, 77870), (2995, 68302), (4615, 44326), (4810, 42529), (5254, 38935), (5990, 34151), (7787, 26270), (9230, 22163), (13135, 15574)]