1780325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 2410560

約数和(自身を除く): 630235

約数列:

[1, 5, 17, 25, 59, 71, 85, 295, 355, 425, 1003, 1207, 1475, 1775, 4189, 5015, 6035, 20945, 25075, 30175, 71213, 104725, 356065, 1780325]

約数ペア:

[(1, 1780325), (5, 356065), (17, 104725), (25, 71213), (59, 30175), (71, 25075), (85, 20945), (295, 6035), (355, 5015), (425, 4189), (1003, 1775), (1207, 1475)]