254347975

素因数分解:

$5^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:944

約数の個数: 36

約数和(自身を含む): 368511384

約数和(自身を除く): 114163409

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 397, 523, 1225, 1985, 2615, 2779, 3661, 9925, 13075, 13895, 18305, 19453, 25627, 69475, 91525, 97265, 128135, 207631, 486325, 640675, 1038155, 1453417, 5190775, 7267085, 10173919, 36335425, 50869595, 254347975]

約数ペア:

[(1, 254347975), (5, 50869595), (7, 36335425), (25, 10173919), (35, 7267085), (49, 5190775), (175, 1453417), (245, 1038155), (397, 640675), (523, 486325), (1225, 207631), (1985, 128135), (2615, 97265), (2779, 91525), (3661, 69475), (9925, 25627), (13075, 19453), (13895, 18305)]