2119017275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 2940392160

約数和(自身を除く): 821374885

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 397, 425, 475, 661, 1615, 1985, 3305, 6749, 7543, 8075, 9925, 11237, 12559, 16525, 33745, 37715, 56185, 62795, 128231, 168725, 188575, 213503, 262417, 280925, 313975, 641155, 1067515, 1312085, 3205775, 4461089, 4985923, 5337575, 6560425, 22305445, 24929615, 84760691, 111527225, 124648075, 423803455, 2119017275]

約数ペア:

[(1, 2119017275), (5, 423803455), (17, 124648075), (19, 111527225), (25, 84760691), (85, 24929615), (95, 22305445), (323, 6560425), (397, 5337575), (425, 4985923), (475, 4461089), (661, 3205775), (1615, 1312085), (1985, 1067515), (3305, 641155), (6749, 313975), (7543, 280925), (8075, 262417), (9925, 213503), (11237, 188575), (12559, 168725), (16525, 128231), (33745, 62795), (37715, 56185)]