2120900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 4666368

約数和(自身を除く): 2545468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 167, 254, 334, 508, 635, 668, 835, 1270, 1670, 2540, 3175, 3340, 4175, 6350, 8350, 12700, 16700, 21209, 42418, 84836, 106045, 212090, 424180, 530225, 1060450, 2120900]

約数ペア:

[(1, 2120900), (2, 1060450), (4, 530225), (5, 424180), (10, 212090), (20, 106045), (25, 84836), (50, 42418), (100, 21209), (127, 16700), (167, 12700), (254, 8350), (334, 6350), (508, 4175), (635, 3340), (668, 3175), (835, 2540), (1270, 1670)]