311913025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 436311360

約数和(自身を除く): 124398335

約数列:

[1, 5, 17, 19, 25, 85, 95, 107, 323, 361, 425, 475, 535, 1615, 1805, 1819, 2033, 2675, 6137, 6859, 8075, 9025, 9095, 10165, 30685, 34295, 34561, 38627, 45475, 50825, 116603, 153425, 171475, 172805, 193135, 583015, 656659, 733913, 864025, 965675, 2915075, 3283295, 3669565, 12476521, 16416475, 18347825, 62382605, 311913025]

約数ペア:

[(1, 311913025), (5, 62382605), (17, 18347825), (19, 16416475), (25, 12476521), (85, 3669565), (95, 3283295), (107, 2915075), (323, 965675), (361, 864025), (425, 733913), (475, 656659), (535, 583015), (1615, 193135), (1805, 172805), (1819, 171475), (2033, 153425), (2675, 116603), (6137, 50825), (6859, 45475), (8075, 38627), (9025, 34561), (9095, 34295), (10165, 30685)]