28774100

素因数分解:

$2^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 62850144

約数和(自身を除く): 34076044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 167, 334, 668, 835, 1670, 1723, 3340, 3446, 4175, 6892, 8350, 8615, 16700, 17230, 34460, 43075, 86150, 172300, 287741, 575482, 1150964, 1438705, 2877410, 5754820, 7193525, 14387050, 28774100]

約数ペア:

[(1, 28774100), (2, 14387050), (4, 7193525), (5, 5754820), (10, 2877410), (20, 1438705), (25, 1150964), (50, 575482), (100, 287741), (167, 172300), (334, 86150), (668, 43075), (835, 34460), (1670, 17230), (1723, 16700), (3340, 8615), (3446, 8350), (4175, 6892)]